标签: genetic testing

  • Thailand PGT IVF Results Turnaround Time: What to Expect and What to Ask

    Most patients receive PGT results from Thai laboratories within one to three weeks after the embryo biopsy is performed. However, this is a general range, not a guarantee. The actual turnaround time depends on the specific laboratory, the type of PGT test ordered, whether the biopsy sample needs to be shipped to another facility, and how the clinic schedules reporting. Some cases may take longer if additional testing or re-biopsy is required. Because no two clinics operate identically, the most reliable timeline will come directly from your treating clinic.

    At a glance

    • Typical wait: 1–3 weeks after biopsy, but this varies.
    • Factors: lab location, test type, shipping, clinic workflow.
    • Shipping within Thailand or abroad can add days.
    • Your clinic should give you a specific estimate for your case.
    • Ask about communication methods and expected reporting format.

    What happens between biopsy and results?

    Understanding the steps can help you anticipate the timeline. After your embryos reach a certain stage, an embryologist removes a few cells (biopsy). Those cells are then prepared for genetic testing. The testing may be done in the same clinic’s laboratory or sent to a separate genetics lab. Once the lab completes the analysis, it sends a report back to your clinic. Your doctor then reviews the results with you. Each step—biopsy, sample preparation, shipping (if needed), analysis, and reporting—adds time.

    Typical turnaround times by test type

    PGT is an umbrella term for several tests. The most common are PGT-A (for aneuploidy), PGT-M (for monogenic disorders), and PGT-SR (for structural rearrangements). Turnaround times can differ because some tests require more complex analysis or additional validation. The table below gives general ranges, but your clinic’s actual timeline may be shorter or longer.

    Test type Typical turnaround (after biopsy)
    PGT-A 1–2 weeks
    PGT-M 2–3 weeks (sometimes longer)
    PGT-SR 2–3 weeks

    These ranges are not fixed. Some labs may report faster, while others may take longer. Always confirm with your clinic.

    What can make PGT results take longer?

    • Shipping: If the biopsy sample must be sent to a lab in another city or country, transport time and customs clearance can add days.
    • Lab workload: Busy periods or staffing shortages can delay analysis.
    • Test complexity: PGT-M often requires a custom probe, which may need to be designed and validated before testing.
    • Sample quality: If the biopsy sample is insufficient or degraded, the lab may need to request a re-biopsy, which restarts the clock.
    • Clinic reporting schedule: Some clinics batch results and report them on specific days, adding a few days.

    How will I receive my PGT results?

    Most clinics provide results during a scheduled consultation, either in person or via a video call. You may also receive a written report. Ask your clinic how they typically share results and whether you will have a chance to discuss them with a doctor or genetic counselor. Understanding the format ahead of time can reduce anxiety while you wait.

    Questions to ask your clinic about PGT turnaround time

    • What is your average turnaround time for the specific PGT test I need?
    • Is the testing done in-house or sent to an external lab? If external, where is it located?
    • How long does shipping usually take, and who handles it?
    • What is the process if the sample needs to be re-biopsied?
    • How and when will I be notified of the results?
    • Are there any additional costs associated with shipping or repeat testing?
    • Can you provide a written timeline for my case?

    Planning around the wait

    While you wait for PGT results, you may need to plan for medication, travel, or work commitments. Ask your clinic whether you need to stay in Thailand during the waiting period or if you can return home and receive results remotely. If you are traveling from abroad, clarify visa and re-entry requirements with the appropriate authorities. Also consider how you will handle the emotional aspect of waiting—many patients find it helpful to have a support system in place.

    Next steps

    1. Ask your clinic for a personalized timeline based on your treatment plan.
    2. Confirm whether testing is in-house or outsourced, and where.
    3. Clarify how results will be communicated and by whom.
    4. Plan your travel and accommodation with flexibility in case of delays.
    5. Reach out to your clinic if you have not heard back within the estimated timeframe.

    For more information about PGT in Thailand, see our PGT in Thailand guide. You can also browse our FAQ and guides, or contact us with further questions.

    Frequently asked questions

    How long do PGT results take in Thailand?

    Most patients receive results within one to three weeks after the embryo biopsy. However, this is a general range. The exact time depends on the laboratory, the type of PGT test, whether the sample is shipped elsewhere, and your clinic’s reporting process. Your clinic can give you a more specific estimate.

    Does PGT-A take less time than PGT-M?

    Often, yes. PGT-A typically takes one to two weeks, while PGT-M may take two to three weeks or longer because it sometimes requires a custom probe. These are general ranges, and individual labs may differ.

    Can I get PGT results faster if I pay more?

    Some laboratories offer expedited processing for an additional fee, but this is not universal. You would need to ask your clinic whether faster turnaround is available and what it would cost. We cannot confirm specific services or prices.

    What if my PGT results are delayed?

    Delays can happen due to shipping, lab workload, or sample quality issues. If you have not received results within the estimated timeframe, contact your clinic for an update. They can explain the reason for the delay and give you a revised timeline.

    Do I need to stay in Thailand while waiting for PGT results?

    This depends on your treatment plan and your clinic’s policy. Some patients are able to return home and receive results remotely, while others may need to stay for monitoring. Discuss travel plans with your clinic and check visa requirements with the relevant authorities.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • Thailand PGT IVF for Older Patients: Age, Expectations and Questions to Ask

    If you are over 40 and considering PGT IVF in Thailand, the most useful starting point is this: PGT can give you information about the chromosomal status of embryos, but it cannot guarantee a pregnancy, a live birth or a healthy child. Age is one of the strongest factors influencing how many eggs are retrieved, how many become embryos and how many of those embryos are chromosomally normal (euploid). PGT does not change those underlying probabilities. It can help you and your clinician decide which embryos to consider transferring, and it can reduce the chance of transferring an embryo with a known chromosomal abnormality. The rest of this guide explains the tests, the limits, and the questions worth asking before you commit to a plan.

    At a glance

    • PGT-A screens embryos for extra or missing chromosomes; it is not a treatment for infertility and does not improve embryo quality.
    • PGT-M looks for a specific inherited condition known to run in a family; PGT-SR looks at structural chromosome rearrangements.
    • Euploidy rates generally decline with age, but individual results vary widely and cannot be predicted from age alone.
    • PGT is optional in most situations. It is a decision to make with a qualified clinician, not a default requirement.
    • Costs, legal rules, travel requirements and clinic-specific protocols in Thailand should be confirmed directly with the treating clinic and relevant authorities.

    What PGT actually tests

    Preimplantation genetic testing (PGT) is done on a small number of cells removed from an embryo, usually at the blastocyst stage. There are three main categories:

    • PGT-A (aneuploidy): checks for an abnormal number of chromosomes, such as an extra or missing copy. This is the type most often discussed with older patients.
    • PGT-M (monogenic): looks for a specific gene variant linked to a known inherited condition in the family.
    • PGT-SR (structural rearrangement): looks at chromosomes when a parent carries a balanced structural rearrangement, such as a translocation.

    PGT-A is a screening test, not a diagnostic test for a future child. It reports the chromosomal status of the cells sampled. Because embryos can show mosaicism — a mix of normal and abnormal cells — results are not always a simple yes or no. Some clinics report mosaic results and discuss them case by case. A result described as “abnormal” does not always mean the embryo could never produce a healthy pregnancy, and a “normal” result does not guarantee one.

    How age affects euploidy and IVF outcomes

    Age influences two separate things: how many eggs you produce, and the proportion of those eggs that are chromosomally normal. Both tend to decline with age, which is why older patients often see fewer embryos available for testing and fewer euploid embryos after testing.

    It is common to see broad patterns quoted, such as euploidy rates falling from one age band to the next. Those patterns come from large datasets and describe averages, not individuals. Two patients of the same age can have very different results. Factors such as ovarian reserve, prior IVF history, sperm quality, laboratory conditions and chance all play a role.

    Because of this, a clinic cannot promise you a specific number of euploid embryos, a specific success rate or a specific timeline. Be cautious of any source that offers a guaranteed figure for your age. A more realistic conversation is about ranges, uncertainty and what happens if testing leaves you with no embryos to transfer.

    Why PGT is not automatically the right choice

    PGT-A is sometimes presented as a way to improve success. The evidence is more nuanced. In some groups, PGT-A may help select embryos and reduce the chance of transferring an embryo with a known chromosomal abnormality. In other situations, it may reduce the number of embryos available for transfer without clearly improving the chance of a live birth. It also adds cost, laboratory steps and waiting time.

    PGT is not a treatment for low ovarian reserve, poor egg quality or recurrent implantation failure. It does not create embryos and it does not repair them. If you have very few embryos, testing may leave you with none to transfer, and some patients choose to transfer untested embryos instead. That is a legitimate option and worth discussing openly.

    Alternatives and complements to PGT

    Depending on your history, your clinician may discuss options such as:

    • Transferring untested embryos, with or without additional ultrasound or blood monitoring.
    • Using donor eggs or donor embryos, which changes the age-related equation but raises separate medical, legal and ethical questions.
    • Further fertility assessment, such as ovarian reserve testing or a review of previous cycles.
    • Genetic counseling, especially if there is a known inherited condition or a history of recurrent loss.
    • Prenatal testing after a pregnancy is established, which looks at the pregnancy rather than the embryo.

    None of these is universally better. The right path depends on your medical history, your values and what a clinic can offer you.

    What to expect during a PGT cycle in Thailand

    The general sequence is similar in most clinics, though details vary:

    1. Consultation and assessment: review of history, blood tests and ultrasound, and a discussion of whether PGT is appropriate for you.
    2. Ovarian stimulation: medication to encourage multiple eggs to mature, with monitoring visits.
    3. Egg retrieval and fertilization: eggs are collected and combined with sperm in the laboratory.
    4. Embryo culture: embryos are grown for several days, often to the blastocyst stage.
    5. Biopsy and testing: a few cells are removed and sent for genetic analysis. Some clinics send samples to a partner laboratory.
    6. Results and transfer planning: you discuss which embryos, if any, are suitable for transfer, and whether to transfer, freeze or consider another cycle.

    Timelines vary. Testing itself can take days to weeks depending on the laboratory and the test. Travel planning should account for monitoring, retrieval, possible waiting for results and a transfer that may happen in a later cycle.

    Questions to ask a clinic before you decide

    Bring these to your consultation and ask for clear, written answers where possible:

    • Which type of PGT are you recommending for my situation, and why?
    • What are the limitations of the test you use, including mosaicism and inconclusive results?
    • What happens if no embryos are suitable for transfer after testing?
    • How do you counsel patients about age-related euploidy without giving guarantees?
    • Who performs the biopsy and where is the genetic analysis done?
    • What are the total costs, including testing, storage, medication, monitoring and any follow-up?
    • What are the legal and consent requirements in Thailand for my situation, and what documents will I need?
    • What support is available if I need to travel, and how are results communicated to me?
    • Can I speak with a genetic counselor or a specialist in reproductive genetics?

    Practical next steps

    • Gather your medical records, including any previous IVF cycles, genetic tests and relevant family history.
    • Ask your current clinician whether PGT is likely to change your management, and why.
    • Request a written cost estimate and a written summary of what is and is not included.
    • Confirm visa, travel and any legal requirements with the relevant authorities and the clinic, as rules can change.
    • Consider speaking with a genetic counselor before testing, especially if there is a known inherited condition.
    • Plan for uncertainty: discuss in advance what you would do if testing leaves you with no transferable embryos.

    For more background, see our PGT in Thailand overview and the related guides. If you have a specific question, the FAQ section may help.

    Frequently asked questions

    Does PGT improve the chance of pregnancy for older patients?

    PGT-A can help identify embryos with a normal number of chromosomes, which may inform which embryo to transfer. However, it does not improve the underlying quality of embryos or guarantee a pregnancy. For some patients, testing may reduce the number of embryos available. Whether PGT is likely to help depends on your individual situation, and this is best discussed with a qualified clinician.

    Can I predict my euploidy rate based on my age?

    No. Age is one factor among many. Euploidy rates tend to decline with age on average, but individual results vary widely and cannot be predicted from age alone. A clinic should discuss ranges and uncertainty rather than promise a specific number.

    Is PGT required for IVF in Thailand?

    PGT is generally optional and is not required for all patients. Recommendations depend on your medical history, the reason for treatment and clinic policy. Legal and consent requirements can change, so confirm current rules with the treating clinic and relevant authorities.

    What happens if PGT shows no normal embryos?

    This is a possible outcome, especially for older patients or those with few embryos. Clinics should discuss this scenario before testing begins. Options may include transferring an untested embryo, considering another cycle, or exploring other paths such as donor eggs, depending on your circumstances and local rules.

    Should I have genetic counseling before PGT?

    Genetic counseling can help you understand what PGT can and cannot tell you, especially if you have a known inherited condition or a history of recurrent pregnancy loss. Ask your clinic whether counseling is available and whether it is included in your care.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • Thailand PGT IVF Success Factors: What Influences Your PGT Outcomes

    If you are considering preimplantation genetic testing (PGT) as part of IVF in Thailand, you may be wondering what actually influences whether the cycle leads to a transfer and, potentially, a pregnancy. The honest answer is that no single factor guarantees an outcome. Instead, PGT IVF results are shaped by a mix of biological, technical, and personal variables. This guide explains those variables in plain English so you can ask better questions and plan with realistic expectations.

    At a glance

    • PGT is a laboratory add-on to IVF that screens embryos for certain genetic or chromosomal issues before transfer.
    • It does not guarantee a pregnancy, a live birth, or a healthy child.
    • Key variables include maternal age, embryo quality, clinic and laboratory standards, and the specific reason PGT is being considered.
    • Thailand has many IVF clinics, but standards, protocols, and pricing structures can vary. You will need to confirm details directly with each clinic.
    • Your own medical history and prior IVF experience matter as much as any general statistic.

    What PGT can and cannot tell you

    PGT is an umbrella term for several tests. PGT-A looks at the number of chromosomes in an embryo. PGT-M looks for a specific inherited condition that runs in your family. PGT-SR looks at structural chromosome rearrangements. Each test has a different purpose and a different set of limitations.

    What PGT can do is give your care team more information about an embryo before transfer. What it cannot do is guarantee that an embryo will implant, that a pregnancy will continue, or that a child will be free of all health issues. Some embryos may be classified as mosaic, meaning the result is not fully clear. In those cases, your clinic may discuss whether transfer is an option and what the uncertainty means for you.

    PGT is not automatically necessary for every IVF patient. Whether it is appropriate depends on your age, your medical history, your prior IVF outcomes, and the reason you are considering testing. A clinic should explain why it is recommending PGT and what alternatives exist.

    Clinical factors that can influence PGT IVF outcomes

    Several clinical variables are commonly discussed when patients ask about PGT outcomes in Thailand. These are not predictions, but they are the areas your clinic will likely review with you.

    Maternal age and egg quality

    Age is one of the most frequently discussed factors in IVF and PGT. As women get older, the proportion of eggs with chromosomal variations tends to increase. This can affect how many embryos are available for testing and how many are classified as suitable for transfer. However, age is not a fixed verdict. Some younger patients have fewer usable embryos, and some older patients have successful outcomes. Your clinic can review your specific situation.

    Embryo development and quality

    Not every fertilized egg develops into a blastocyst, the stage at which PGT is often performed. The number of embryos that reach biopsy and testing can vary widely. Embryo quality before testing, and the grading system your clinic uses, can influence how many embryos are available for transfer after results are known.

    Reason for PGT

    Why you are considering PGT matters. Someone with a known inherited condition may be using PGT-M to reduce the chance of passing that condition on. Someone with recurrent pregnancy loss may be using PGT-A for different reasons. The expected value of testing depends on the question you are trying to answer.

    Uterine and hormonal factors

    Embryo testing does not address the uterine environment or hormonal readiness for transfer. Factors such as uterine health, lining thickness, and transfer timing can still affect whether an embryo implants. Your clinic will typically assess these separately from PGT results.

    Prior IVF history

    If you have had previous IVF cycles, your response to stimulation, fertilization rates, and embryo development can inform how your clinic plans the next cycle. Prior history is often more useful than general statistics for your individual planning.

    Laboratory and clinic variables in Thailand

    PGT is a laboratory procedure, and the quality of the laboratory matters. In Thailand, as in any country, clinics vary in their experience, equipment, and protocols. When comparing clinics, you may want to ask about:

    • Who performs the embryo biopsy and how many biopsies they perform regularly.
    • Whether PGT is performed in-house or sent to an external genetics laboratory.
    • How the clinic reports results, including whether it reports mosaicism and how it explains uncertain results.
    • What the clinic’s protocol is for embryos that are not tested or that have inconclusive results.
    • How the clinic handles frozen embryo transfers and whether testing affects transfer timing.

    These are questions you can ask directly. The answers will help you understand how a clinic approaches PGT in practice, not just in marketing materials.

    Personal and practical factors

    Beyond clinical variables, practical factors can affect your experience and your decisions.

    • Travel and timing: IVF with PGT often requires multiple visits or a longer stay. How this fits with your work and family life can influence which clinic you choose.
    • Cost structure: PGT is usually an additional cost on top of standard IVF. Pricing models vary, and you should ask for a written breakdown of what is included and what is not.
    • Emotional readiness: Waiting for PGT results and deciding what to do with uncertain or mosaic results can be stressful. Some patients find it helpful to plan how they will handle different scenarios before the cycle begins.
    • Support system: Having someone to talk to during the process can make a difference, especially if results are not what you hoped for.

    How to think about success rates

    You may see success rates quoted by clinics or online. It is important to understand what those numbers mean. Success can be defined in different ways: positive pregnancy test, clinical pregnancy, live birth, or cumulative success over multiple cycles. A rate that applies to a general population may not apply to you.

    Rather than focusing on a single number, ask your clinic how they define success, what data they can share about patients with a similar profile to yours, and what the range of outcomes has been. Be cautious of any clinic that guarantees a specific result.

    Questions to ask a clinic in Thailand

    When you contact a clinic, these questions can help you compare options and understand their approach to PGT:

    1. Based on my history, why are you recommending PGT, and what alternatives should I consider?
    2. What type of PGT are you recommending, and what will it tell us?
    3. How do you handle mosaic or inconclusive results?
    4. What is your protocol for embryo biopsy and who performs it?
    5. Do you perform PGT in-house or through an external lab?
    6. What are the costs involved, and what does the quoted price include?
    7. How many visits will I need, and what is the expected timeline?
    8. What support do you offer if results are not what we hoped for?

    Next steps

    If you are weighing PGT IVF in Thailand, start by clarifying your own goals and medical history. Gather your records, including any prior IVF cycles and genetic testing. Then reach out to clinics with specific questions. You can also read more about PGT in Thailand and browse our guides for related topics. If you have general questions, our FAQ section may help.

    Remember that PGT is a tool, not a guarantee. The best decisions come from understanding your own situation and asking clinics to explain their reasoning in plain language.

    Frequently asked questions

    Does PGT improve my chances of having a baby?

    PGT can provide more information about an embryo before transfer, but it does not guarantee a pregnancy or a live birth. Whether it improves your chances depends on your individual situation, including your age, the reason for testing, and the number of embryos available. Your clinic can discuss what PGT may or may not do for you.

    What is the most important factor for PGT IVF success in Thailand?

    There is no single most important factor. Maternal age, embryo quality, the reason for PGT, and the standards of the clinic and laboratory all play a role. Personal factors such as your overall health and prior IVF history also matter. A clinic can help you understand which factors are most relevant in your case.

    Can I choose the gender of my embryo with PGT in Thailand?

    PGT can sometimes reveal the sex chromosomes of an embryo, but whether gender selection is permitted or offered depends on the clinic and on Thai regulations. You should ask the clinic directly about their policy and any legal requirements. This guide does not provide legal advice.

    How long does it take to get PGT results in Thailand?

    Timelines vary by clinic and by the type of PGT being performed. Some clinics may give preliminary results within a few days, while others may take longer. You should ask your chosen clinic for their typical timeline and how it fits with your transfer plan.

    What happens if my embryos are mosaic or inconclusive?

    Mosaic or inconclusive results mean the test did not give a clear answer. Some clinics may offer transfer of mosaic embryos with additional counseling, while others may recommend against it. The decision depends on your clinic's protocol and your preferences. Ask your clinic how they handle these situations before you start treatment.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • Mosaic Embryo Transfer Decisions in Thailand: A Patient Guide to PGT Results

    If you have received a PGT result describing an embryo as “mosaic,” you are likely facing a decision that feels both technical and personal. A mosaic result means the laboratory found a mix of cells with different chromosome patterns in the same embryo. It is not the same as a fully normal or fully abnormal result. In Thailand, as elsewhere, mosaic reporting and transfer policies vary between clinics and laboratories. This guide explains what mosaic results can mean, why counseling matters, and how to prepare questions before deciding whether to transfer.

    At a glance

    • Mosaic means an embryo has a mixture of cells with different chromosome findings.
    • Mosaicism exists on a spectrum; “low-level” and “high-level” are laboratory descriptions, not guarantees about outcome.
    • PGT-A, PGT-M, and PGT-SR are different tests with different purposes and limitations.
    • Reporting thresholds and transfer policies vary by laboratory and clinic.
    • Counseling should cover uncertainty, alternatives, and what is known versus unknown.
    • No test can guarantee an embryo will implant, develop normally, or result in a healthy child.

    What “mosaic” means in a PGT report

    Preimplantation genetic testing (PGT) involves taking a small sample of cells from an embryo, usually at the blastocyst stage, and analyzing them. The result is based on that sample, not on every cell in the embryo. When the laboratory reports mosaicism, it means the sample contained cells with different chromosome results. For example, some cells may appear to have a normal number of chromosomes while others show an extra or missing chromosome.

    Mosaicism can occur naturally in early embryo development. It can also reflect technical factors in the biopsy or analysis. Because the sample is small, the reported percentage is an estimate of the proportion of cells with the variant, not a precise measurement of the whole embryo.

    Low-level versus high-level mosaicism

    Laboratories may describe mosaicism as low-level or high-level based on the estimated percentage of affected cells. These categories are not standardized across all laboratories. A result labeled “low-level” at one lab might be reported differently at another. The clinical significance of any mosaic result depends on multiple factors, including which chromosome is involved, the percentage reported, and the clinic’s experience.

    It is important not to interpret a low-level mosaic result as a guarantee of a healthy outcome, nor a high-level result as a guarantee of a poor one. The evidence continues to evolve, and uncertainty remains.

    PGT-A, PGT-M, and PGT-SR: different tests, different questions

    PGT is an umbrella term. The type of test matters for interpreting a mosaic result.

    • PGT-A looks at the number of chromosomes (aneuploidy screening). Mosaic results are most commonly discussed in the context of PGT-A.
    • PGT-M looks for a specific inherited condition that runs in the family. It is not a general chromosome screening test.
    • PGT-SR looks at structural chromosome rearrangements, such as translocations, that may affect reproduction.

    Each test has limitations. None can detect every possible genetic or chromosomal issue. None can guarantee a successful pregnancy or a healthy child. PGT is a tool for information, not a promise.

    Why mosaic reporting varies

    Mosaic reporting is not uniform. Laboratories use different thresholds to classify an embryo as normal, mosaic, or abnormal. Some may report a percentage range; others may use categories. The biopsy technique, the number of cells analyzed, and the analysis platform can all influence the result.

    In Thailand, as in other countries, there is no single national standard that all clinics follow for mosaic reporting. This means the same embryo might receive a different description at a different laboratory. When you receive a mosaic result, ask your clinic to explain how their laboratory defines and reports mosaicism.

    What a mosaic result does and does not tell you

    A mosaic result tells you that the tested sample contained a mix of cells with different chromosome findings. It does not tell you:

    • Whether the embryo will implant.
    • Whether a pregnancy would continue normally.
    • Whether a child would be affected by a chromosome condition.
    • How the untested cells in the embryo are arranged.

    Some mosaic embryos have resulted in healthy births. Others have not implanted or have been associated with pregnancy loss. The outcome depends on many factors, including the specific chromosome involved and the proportion of mosaic cells. Because of this uncertainty, decisions about mosaic embryo transfer are often described as trade-offs rather than clear right or wrong choices.

    Counseling questions after a mosaic result

    Good counseling is essential. It should help you understand your specific result, the limits of the evidence, and your options. Consider asking your clinic or a genetic counselor:

    • What exactly does my report say, and how does your laboratory define mosaicism?
    • Which chromosome is involved, and what is known about mosaicism for that chromosome?
    • What percentage of cells was reported as mosaic, and how was that estimated?
    • What are the possible outcomes if we transfer this embryo?
    • What are the alternatives, such as transferring a different embryo, another cycle, or choosing not to transfer?
    • What additional testing or monitoring would you recommend during pregnancy if we transfer?
    • Can we speak with a genetic counselor or review the original laboratory report together?

    Take notes. Ask for the information in writing if possible. It is reasonable to request time to consider your options.

    Transfer trade-offs: what to weigh

    Deciding whether to transfer a mosaic embryo involves weighing several factors. There is no single correct answer for everyone.

    • Uncertainty: The outcome cannot be predicted with certainty. Some patients are comfortable with this uncertainty; others prefer to avoid it.
    • Alternatives: Do you have other embryos available? Are you willing to undergo another stimulation cycle? What are the emotional, physical, and financial implications?
    • Chromosome involved: Some chromosomes are associated with different levels of risk than others. Ask your clinic to explain what is known about your specific result.
    • Monitoring: If you transfer, what prenatal testing or monitoring is available and acceptable to you?
    • Values and priorities: What matters most to you in this decision? How do you weigh the possibility of a healthy birth against the possibility of loss or a child with a chromosome condition?

    Some clinics may offer transfer of mosaic embryos with additional counseling and monitoring. Others may have policies that differ. Ask your clinic about their approach and the reasoning behind it.

    Questions to ask your clinic before deciding

    Use this checklist to guide your conversation:

    1. Can you explain my PGT report in plain language?
    2. What is the laboratory’s definition of low-level and high-level mosaicism?
    3. What is known about outcomes for mosaicism involving this specific chromosome?
    4. What are the alternatives to transferring this embryo?
    5. What monitoring or prenatal testing would you recommend if we transfer?
    6. What support is available if the transfer does not result in a live birth?
    7. Are there any costs or logistical steps we should plan for?

    You may also want to ask for a referral to a genetic counselor who can review the result independently.

    Next steps

    After receiving a mosaic result, take these steps:

    • Request a copy of the full laboratory report.
    • Schedule a counseling session with your clinic or a genetic counselor.
    • Write down your questions and bring them to the appointment.
    • Ask about the clinic’s experience with mosaic embryo transfers.
    • Consider the alternatives and what they would mean for you.
    • Take time to make a decision that aligns with your values.

    For more general information about PGT and embryo transfer in Thailand, you can explore our PGT in Thailand and embryo transfer in Thailand guides. You can also browse our guides and FAQ for additional context.

    Frequently asked questions

    What does a mosaic embryo result mean?

    A mosaic result means the laboratory found a mix of cells with different chromosome patterns in the small sample taken from the embryo. It is not a diagnosis of a specific condition, and it cannot predict whether the embryo will implant or result in a healthy birth. The significance depends on factors such as the chromosome involved and the percentage of mosaic cells reported.

    Is low-level mosaicism safe for transfer?

    There is no universal answer. Some clinics may offer transfer of low-level mosaic embryos with additional counseling and monitoring, while others may have different policies. The evidence is evolving, and outcomes are not guaranteed. Discuss your specific result with your treating clinic and consider speaking with a genetic counselor.

    How is mosaicism reported in Thai PGT laboratories?

    Reporting practices vary. Laboratories may use different thresholds to classify an embryo as normal, mosaic, or abnormal, and there is no single national standard. Ask your clinic to explain how their laboratory defines and reports mosaicism, and request a copy of the full report.

    What questions should I ask after a mosaic PGT result?

    Ask which chromosome is involved, what percentage of cells was reported as mosaic, how the laboratory defines mosaicism, what the possible outcomes are, what alternatives exist, and what monitoring would be recommended if you transfer. It is also reasonable to ask for a referral to a genetic counselor.

    Can a mosaic embryo result in a healthy baby?

    Some mosaic embryos have resulted in healthy births, but outcomes cannot be predicted. A mosaic result does not guarantee a healthy baby, nor does it guarantee a poor outcome. The decision to transfer involves weighing uncertainty, alternatives, and your personal values with guidance from your clinic.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • PGT-A vs PGT-M: How to Choose the Right PGT Test in Thailand

    PGT-A and PGT-M are different tests used for different reasons. PGT-A checks embryos for extra or missing chromosomes and is usually considered when age or repeated implantation failure raises concern about chromosomal number. PGT-M looks for a specific inherited condition that runs in your family. Neither test guarantees a healthy pregnancy or a live birth, and neither is right for everyone. In Thailand, the test you choose should follow a clinical assessment, genetic counselling where relevant, and a clear discussion of what the result can and cannot tell you.

    At a glance

    • PGT-A screens for chromosomal number (aneuploidy) across the embryo.
    • PGT-M targets a known single-gene or familial condition.
    • PGT-SR is a related option when a parent carries a structural chromosome rearrangement.
    • PGT-M usually requires a prior genetic diagnosis and may need family DNA or a probe build.
    • Both tests are performed on a few cells removed from an embryo, usually at the blastocyst stage.
    • Results are reported as probabilities or classifications, not certainties.

    What each test is designed to do

    PGT-A (preimplantation genetic testing for aneuploidy) counts chromosomes. It estimates whether an embryo has the expected number of chromosomes or an abnormal number, such as trisomy or monosomy. It does not read the full DNA sequence and does not rule out all genetic conditions.

    PGT-M (preimplantation genetic testing for monogenic disorders) looks for a specific gene change that is known to cause a condition in your family. It is used when there is a confirmed diagnosis, such as cystic fibrosis, spinal muscular atrophy, thalassaemia, or another inherited condition. Because the target is specific, the laboratory needs to know exactly what it is looking for before testing begins.

    PGT-SR (for structural rearrangements) is a third category. It is considered when a parent has a balanced translocation, inversion, or similar chromosome rearrangement. It is mentioned here because it is often discussed alongside PGT-A and PGT-M, but it is a separate test with its own indications.

    Side-by-side comparison: indications, lab steps, and decision triggers

    Feature PGT-A PGT-M
    Main question Does this embryo have the expected number of chromosomes? Did this embryo inherit the specific familial gene change?
    Typical indications Advanced maternal age, repeated implantation failure, recurrent pregnancy loss, or a history of chromosomal abnormality in a prior pregnancy. A known inherited condition in the family, a confirmed carrier status in one or both parents, or a prior affected child.
    What the lab needs first Embryo biopsy sample; no prior family testing is usually required. A confirmed genetic diagnosis, the exact gene change, and often DNA samples from family members to build a test probe.
    Laboratory steps Embryo culture to blastocyst, trophectoderm biopsy, cell preparation, whole-genome amplification, then chromosome analysis. Embryo culture to blastocyst, trophectoderm biopsy, cell preparation, whole-genome amplification, then targeted analysis for the known gene change.
    Result format Classification such as euploid, aneuploid, mosaic, or inconclusive. Affected, unaffected, carrier, or inconclusive, depending on the condition and test design.
    Main limitations Does not detect all genetic conditions; mosaicism and inconclusive results can occur; does not guarantee implantation or live birth. Requires a known target; probe development can take time; does not screen for unrelated chromosomal conditions unless combined with PGT-A.
    Decision trigger Age-related risk, repeated loss, or prior aneuploid pregnancy. Family history, carrier status, or a known diagnosis that could be passed on.

    How the laboratory process differs

    Both tests begin the same way. The embryo is cultured, usually to day 5 or 6, and a small number of cells are removed from the outer layer (trophectoderm). The cells are prepared and their DNA is amplified so there is enough material to analyse.

    From there, the paths diverge. PGT-A uses a genome-wide method to estimate chromosome number. PGT-M uses a targeted method designed around the specific gene change in your family. For PGT-M, the laboratory often needs to build a custom probe, which can require blood or saliva samples from you, your partner, and sometimes a family member. This preparation step can add time before the embryo testing itself can be done.

    Some clinics offer combined testing when both chromosomal number and a specific familial condition are concerns. Whether this is appropriate depends on your history and the laboratory’s capabilities, and it should be discussed with your clinician.

    Understanding results and uncertainty

    PGT results are not always a simple yes or no. PGT-A can report a mosaic result, meaning the embryo has a mix of cells with different chromosome numbers. The clinical meaning of mosaicism is still an area of active research, and clinics may handle mosaic embryos differently. An inconclusive result can also occur when the sample does not provide enough information.

    PGT-M results are usually clearer for the specific condition being tested, but they still do not guarantee a healthy child. They tell you whether the embryo inherited the gene change the test was designed to find. They do not rule out other genetic conditions, pregnancy complications, or health issues unrelated to the tested gene.

    No PGT test can guarantee implantation, pregnancy, live birth, or child health. Your clinic should explain the detection rate, the chance of an inconclusive result, and what a result would mean for your transfer decisions.

    Alternatives and when testing may not be needed

    PGT is not a required step for every IVF cycle. Some patients choose to transfer untested embryos, especially when there is no clear indication and the number of available embryos is limited. Others use donor gametes, genetic counselling, or prenatal testing instead of, or in addition to, PGT.

    For some families, the more important first step is genetic counselling to clarify the actual risk and the options available. A genetic counsellor can help you understand whether PGT-M is technically possible, what the test can detect, and what the alternatives are.

    Questions to ask your clinic in Thailand

    • Based on my history, which PGT test—if any—do you recommend, and why?
    • What are the indications you are using to make that recommendation?
    • For PGT-M, what preparation is needed, and how long does probe development take?
    • How do you report mosaic or inconclusive results, and what are my options then?
    • What are the costs of the test, the biopsy, and any additional laboratory work?
    • What is your policy on transferring untested or mosaic embryos?
    • Do you provide genetic counselling, or can you refer me to a counsellor?
    • What documents or consent forms will I need to provide?

    Next-step checklist

    1. Gather your personal and family medical history, including any prior genetic test results.
    2. Ask your clinic whether genetic counselling is available before you decide.
    3. Clarify which test is being recommended and what question it answers.
    4. Ask about laboratory timelines, especially if PGT-M probe development is needed.
    5. Request a written summary of costs, including biopsy, testing, and storage fees.
    6. Confirm how results will be explained and what happens if the result is inconclusive.
    7. Review the clinic’s consent process and any legal or travel requirements with the clinic directly.

    Choosing between PGT-A and PGT-M is not a matter of one test being better than the other. They answer different questions. The right choice depends on your medical history, your family’s genetic information, and what you hope to learn. Start with a clinical assessment and a clear conversation about what each test can and cannot do. For more context, see our PGT in Thailand overview, browse the guides, or check the FAQ.

    Frequently asked questions

    Can I have PGT-A and PGT-M at the same time?

    Sometimes, yes. Combined testing may be possible when both chromosomal number and a specific familial condition are concerns. Whether it is appropriate depends on your history, the laboratory's methods, and the quality of the embryo sample. Your clinic can explain whether combined testing is available and what it would involve.

    Do I need PGT-M if no one in my family has a genetic condition?

    PGT-M is designed for a known inherited condition. If there is no known condition, there is usually no target for the test. A genetic counsellor can help clarify whether any testing is indicated based on your personal and family history.

    What does a mosaic result on PGT-A mean?

    A mosaic result means the embryo has a mix of cells with different chromosome numbers. The clinical significance is still being studied, and clinics may have different policies about transferring mosaic embryos. Ask your clinic how they interpret and report mosaicism.

    Does PGT guarantee a healthy baby?

    No. PGT can provide information about specific chromosomal or genetic findings, but it cannot guarantee implantation, pregnancy, live birth, or child health. It does not detect every possible genetic condition. Your clinic should explain the limitations for your situation.

    How long does PGT-M take compared to PGT-A?

    PGT-M often requires additional preparation, such as building a custom probe, which can add time before testing. PGT-A does not usually require this step. Exact timelines vary by laboratory and should be confirmed with your clinic.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • Thailand PGT IVF: Answers to Common Questions for International Patients

    PGT (preimplantation genetic testing) in Thailand is a laboratory step added to an IVF cycle to examine embryos for specific chromosomal or genetic concerns before transfer. For international patients, the practical questions usually centre on five areas: what Thai law allows, how long testing takes, whether embryos can be frozen, whether retesting is possible, and how results are communicated. Because rules, laboratory capabilities, and timelines vary by clinic and can change, treat any general answer as a starting point for a direct conversation with the treating clinic and, where relevant, a qualified legal advisor in Thailand.

    At a glance

    • Legality: PGT is performed in Thailand, but the legal and ethical framework around assisted reproduction is specific and can change. Confirm current requirements with the clinic and a Thai legal professional.
    • Turnaround: Reported timelines vary by test type, laboratory workload, and shipping. Ask for a written estimate for your case.
    • Embryo freezing: Vitrification is widely used, but storage rules, consent, and fees are clinic-specific.
    • Retesting: Possible in some situations, but not guaranteed; it depends on embryo quality, prior test method, and laboratory policy.
    • Results communication: Ask who explains results, in what language, and whether a genetic counsellor is involved.

    Is PGT legal in Thailand for international patients?

    PGT is offered in Thailand, but the legal position is not a simple yes or no. Thai law and professional guidelines govern assisted reproductive technology, including what testing may be performed, for which indications, and under what consent and record-keeping requirements. These rules can be updated, and clinics may apply them differently depending on the patient’s situation.

    For international patients, the practical answer is: do not rely on forum posts or outdated summaries. Ask the clinic directly whether they currently offer the specific PGT test you are considering, what indications they accept, and what documents they require. If your situation involves legal questions about parentage, gamete use, or cross-border arrangements, speak with a qualified Thai legal professional rather than assuming the clinic can advise on law.

    How long does PGT take in Thailand?

    Turnaround time is one of the most common questions, and also one of the hardest to answer generally. The time from embryo biopsy to a result depends on several factors:

    • Test type: PGT-A (chromosomal screening), PGT-M (single-gene conditions), and PGT-SR (structural rearrangements) use different laboratory methods and can have different timelines.
    • Laboratory location: Some clinics perform testing in-house; others send samples to a partner laboratory, which adds transport time.
    • Workload and scheduling: Busy periods or batch processing can extend waits.
    • Embryo development: Biopsy timing depends on how embryos grow, which is not fully predictable.

    Rather than quoting a number, ask the clinic for a written estimate in your specific case, and ask what happens if results are delayed. If you are travelling, build flexibility into your plans.

    Can embryos be frozen after PGT in Thailand?

    Embryo freezing (cryopreservation), usually by vitrification, is a standard part of many IVF programmes, and PGT is often combined with a freeze-all approach so that transfer can be planned after results are available. However, the details are clinic-specific and worth confirming in writing:

    • Whether the clinic freezes biopsied embryos and at what stage.
    • Storage conditions, consent forms, and what happens if you move abroad or lose contact.
    • Storage fees, renewal terms, and the process for shipping or disposing of embryos.
    • Any legal limits on storage duration in Thailand.

    Do not assume that a quoted package includes long-term storage. Ask for the full schedule of fees and the consent documents before you start.

    Can embryos be retested or re-biopsied?

    Retesting is sometimes possible, but it is not a routine guarantee. Whether it can be done depends on:

    • Whether the original biopsy was adequate and whether remaining material is available.
    • The test method used and whether the laboratory can interpret a second sample.
    • The embryo’s condition and whether it survived thawing.
    • The clinic’s and laboratory’s policies on re-biopsy.

    If you are considering retesting, ask the clinic and the laboratory directly. Also ask what the limitations are: a second test may not resolve uncertainty, and it may not be recommended for all embryos.

    How are PGT results communicated to international patients?

    Results communication is a practical concern when you are not in Thailand. Ask the clinic to explain, before testing begins:

    • Who will contact you, by what method (secure email, phone, video call), and in what language.
    • Whether a genetic counsellor or specialist is available to explain the findings and their limits.
    • What the report will include and whether you receive a copy.
    • How long after results you need to decide about transfer or storage.
    • What happens if results are inconclusive or if no embryo is suitable for transfer.

    PGT results are probabilistic, not absolute. A “normal” result does not guarantee a healthy pregnancy, and an “abnormal” result does not always mean an embryo cannot be used in every situation. Make sure you understand the residual uncertainty before making decisions.

    Questions to ask a clinic before committing

    1. Which PGT tests do you offer, and for which indications?
    2. Is testing done in-house or sent to a partner laboratory? Where?
    3. What is the expected turnaround time for my case, and what could delay it?
    4. What are the total costs, including biopsy, testing, freezing, storage, and any retesting?
    5. What consent documents and identification do you require from international patients?
    6. Who explains results, and is genetic counselling available?
    7. What are your policies on embryo storage, shipping, and disposal?
    8. What happens if we disagree about embryo disposition?

    Next steps for your research

    Use this guide as a checklist, not a substitute for personalised advice. Start by clarifying your own medical indication for PGT with your treating physician, then compare clinics on the specific points above. For more context, see our PGT in Thailand overview, browse the FAQ section, explore our guides, or contact us with a specific question. Always confirm legal, financial, and clinical details directly with the clinic and, where needed, a qualified professional in Thailand.

    Frequently asked questions

    Is PGT IVF legal in Thailand?

    PGT is performed in Thailand, but assisted reproduction is regulated and rules can change. The safest approach is to ask the clinic directly about current requirements for your situation and to consult a qualified Thai legal professional if your questions involve parentage, gamete use, or cross-border arrangements.

    How long do PGT results take in Thailand?

    Turnaround varies by test type, whether testing is done in-house or sent to a partner laboratory, and laboratory workload. Ask your clinic for a written estimate for your specific case and build flexibility into travel plans.

    Can I freeze embryos after PGT in Thailand?

    Embryo freezing is commonly available, and many PGT cycles use a freeze-all approach. Storage rules, consent, fees, and any legal limits are clinic-specific, so request the full policy and fee schedule in writing before starting.

    Can PGT embryos be retested?

    Retesting is sometimes possible but not guaranteed. It depends on the original biopsy, the test method, embryo condition, and laboratory policy. Ask the clinic and laboratory directly about whether retesting is an option for your embryos and what its limitations are.

    How will I receive my PGT results if I am overseas?

    Ask the clinic to explain, before testing, who will contact you, by what secure method, in what language, and whether a genetic counsellor is available. Also ask what the report includes and how much time you have to decide about transfer or storage.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • PGT-A Results Timeline in Thailand: What to Expect and How to Plan

    For international patients undergoing IVF with PGT-A in Thailand, the wait for genetic results can feel like a pause in an otherwise active process. In general, PGT-A results are not available immediately after biopsy. The timeline depends on laboratory workflows, shipping logistics if testing is done abroad, and how your clinic communicates results. Most patients receive preliminary information within one to three weeks after biopsy, but this varies. Your treating clinic is the only reliable source for your specific timeline. This guide explains the typical steps, what may affect timing, and what you can do while waiting.

    At a glance

    • Biopsy day: A few cells are removed from each embryo and prepared for testing.
    • Laboratory processing: Samples are amplified and analyzed; this may happen in Thailand or overseas.
    • Result reporting: Your clinic receives a report and schedules a consultation to discuss it.
    • Typical range: Often one to three weeks after biopsy, but this is not a promise.
    • Key variable: Whether testing is done in-house or sent to a partner laboratory.

    Step-by-step: from embryo biopsy to PGT-A results

    The process usually follows a sequence. Each step has its own timing, and delays can occur at any point.

    1. Embryo biopsy

    On the day of biopsy, the embryologist removes a small number of cells from each embryo that has reached a suitable stage, typically the blastocyst stage. This is a delicate procedure performed in the IVF laboratory. The biopsy itself does not usually add extra days to your overall IVF timeline because it is done when embryos are already being monitored.

    2. Sample preparation and shipping

    After biopsy, the cell samples are prepared for genetic analysis. If your clinic performs PGT-A in its own laboratory, the samples go directly to that lab. If testing is outsourced to a reference laboratory, the samples may need to be shipped, sometimes internationally. Shipping can add transit time and depends on courier schedules, customs clearance, and the receiving laboratory’s intake process. Your clinic should tell you whether testing is done locally or sent elsewhere.

    3. Laboratory analysis

    The laboratory amplifies the DNA from the biopsy sample and analyzes it to assess chromosome number. This step involves several quality-control checks. The time required can vary based on the laboratory’s workload, the number of embryos being tested, and whether any samples need to be re-run. Some laboratories batch samples and run them on specific days, which can affect how quickly results are ready.

    4. Report generation and review

    Once analysis is complete, the laboratory generates a report. A clinical geneticist or the laboratory director may review the findings before releasing them. Your clinic then receives the report and may need to schedule a consultation with your doctor to discuss what the results mean for your treatment plan.

    5. Results consultation

    Your clinic will typically arrange a phone, video, or in-person meeting to explain the results. This is when you can ask questions about which embryos are suitable for transfer and what the next steps might be. The timing of this consultation depends on your doctor’s availability and your own schedule.

    Factors that may affect how long PGT-A results take in Thailand

    Several variables can influence the waiting time. Because no two clinics operate identically, use these as points to clarify with your treating team.

    • Laboratory location: In-house testing may be faster than sending samples to another country.
    • Shipping and customs: International shipments can be delayed by weekends, holidays, or customs inspections.
    • Laboratory workload: Busy periods or batch schedules can extend turnaround.
    • Number of embryos: Testing more embryos may take additional time.
    • Sample quality: Occasionally a sample may not provide enough DNA, requiring a repeat.
    • Clinic communication: How and when your clinic shares results can vary.

    Typical timeline overview

    The table below outlines a general sequence. It does not represent a guarantee for any clinic or patient. Always confirm specific timeframes with your treating clinic.

    Stage What happens Typical timeframe (general guide)
    Biopsy Cells removed from embryos Day 5 or 6 after fertilization
    Sample preparation Cells prepared for analysis Same day or next day
    Shipping (if applicable) Samples sent to testing laboratory Varies; may add several days
    Laboratory analysis DNA amplification and analysis Several days to about two weeks
    Report and review Report generated and checked One to a few days
    Results consultation Discussion with your doctor Scheduled based on availability

    Planning your travel and next steps while you wait

    If you are an international patient, you may be planning to stay in Thailand until results are ready or to return home and receive results remotely. Both approaches have practical considerations.

    • Staying in Thailand: Confirm with your clinic how long they recommend you remain in the country. Ask whether results can be discussed locally and whether any follow-up procedures (such as a frozen embryo transfer) can be scheduled during the same trip.
    • Returning home: Ask how results will be communicated (secure email, phone, video call) and what time zone considerations apply. Clarify whether a follow-up appointment can be done remotely.
    • Visa and entry rules: These are time-sensitive and depend on your nationality. Check with the relevant embassy or immigration authority for current requirements. Your clinic may provide a letter for visa purposes, but they cannot give legal advice.
    • Costs: PGT-A is often an additional cost to IVF. Ask your clinic for a written breakdown of what is included and what may be charged separately, such as shipping or repeat testing.

    Questions to ask your clinic about PGT-A results timing

    Being prepared with specific questions can help you get clear answers and reduce uncertainty.

    • Is PGT-A performed in your laboratory or sent to another facility? If sent, where?
    • What is your average turnaround time from biopsy to results? (Ask for a range, not a guarantee.)
    • How will I receive my results, and who will explain them to me?
    • What happens if a sample fails to provide a result? Is there an additional cost or delay?
    • Can we schedule a follow-up consultation in advance, or do we wait until results are ready?
    • If I need to travel home before results are ready, how do we handle the consultation?
    • Are there any upcoming holidays or laboratory closures that might affect timing?

    What to do while you wait

    Waiting for results can be stressful. Here are some practical steps that may help you feel more prepared.

    • Keep a written record: Note the date of biopsy, any communication from the clinic, and questions as they arise.
    • Clarify next steps in advance: Ask your clinic what the possible outcomes are and what decisions you may need to make once results arrive.
    • Plan for both scenarios: Understand what a transfer cycle might involve if you have suitable embryos, and what alternatives exist if you do not.
    • Focus on what you can control: Maintain healthy routines, but avoid making major decisions based on uncertain timelines.
    • Reach out for support: Many patients find it helpful to talk to a counselor or join a support group.

    Related information

    For a broader understanding of the IVF process in Thailand, see our guides on PGT in Thailand, IVF in Thailand, the treatment process, and information for international patients.

    Frequently asked questions

    How long do PGT-A results take in Thailand?

    There is no single answer because turnaround time depends on the clinic and laboratory. In general, results may be available within one to three weeks after biopsy, but this can be longer if samples are sent to another country or if the laboratory has a backlog. Your treating clinic can give you a more specific estimate based on their current workflow.

    Can I get PGT-A results faster if I pay more?

    Some laboratories offer expedited processing for an additional fee, but this is not universal. You would need to ask your clinic whether such an option exists and what the realistic time savings might be. Even with expedited service, clinical review and consultation scheduling can add time.

    What if I need to leave Thailand before my PGT-A results are ready?

    Many clinics are accustomed to communicating results remotely for international patients. Ask your clinic how they typically handle this situation, including whether they use secure email, phone, or video calls, and how they manage time zone differences. You may also need to arrange for a follow-up consultation after you return home.

    Do holidays or weekends affect PGT-A result timing?

    Yes, laboratory schedules and courier services may be reduced on weekends and public holidays. If your biopsy or sample shipment falls near a holiday period, it may add to the waiting time. It is reasonable to ask your clinic about any upcoming closures that could affect your timeline.

    What does a PGT-A result report actually tell me?

    A PGT-A report typically indicates whether each tested embryo has a normal number of chromosomes (euploid), an abnormal number (aneuploid), or a result that is unclear (mosaic or inconclusive). Your doctor will explain what these categories mean for your specific situation and which embryos may be considered for transfer. PGT-A does not guarantee a successful pregnancy or a healthy baby.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • PGT-A Sample Shipping from Thailand: What Patients Should Ask Before Biopsy Transport

    If your embryos are biopsied in Thailand but the genetic testing happens in another country, the biopsy samples must travel between laboratories. This is often called PGT-A sample shipping. The logistics matter because a sample that is delayed, mishandled or poorly documented may not give a usable result. You do not need to become a shipping expert, but you should know which questions to ask before biopsy day. This guide explains the main steps, the categories of information to confirm, and the practical checks that help you stay informed without relying on assumptions.

    At a glance

    • PGT-A looks at chromosome number in biopsied embryo cells; it does not guarantee a pregnancy or a healthy child.
    • Cross-border sample shipping involves the IVF clinic, the testing laboratory and often a courier or logistics provider.
    • Timing, temperature, packaging, documentation and communication are the main categories to confirm.
    • Ask who is responsible at each step and how you will be told if something changes.
    • Keep your questions in writing so you have a record of what was agreed.

    What PGT-A is and why shipping is part of the plan

    Preimplantation genetic testing for aneuploidy (PGT-A) is a laboratory test performed on a small number of cells removed from an embryo during IVF. The test estimates whether the embryo has the expected number of chromosomes. It is one type of preimplantation genetic testing; PGT-M looks at a specific inherited condition, and PGT-SR looks at chromosome rearrangements. Each has different purposes and limitations.

    When the biopsy is performed in Thailand and the testing laboratory is in another country, the sample must be transported across borders. That adds logistics to the treatment plan. The goal is to keep the sample stable and identifiable from the moment it is collected until the laboratory reports a result. Your clinic and the testing laboratory should have a agreed process for this. Your role is to understand the process well enough to ask informed questions.

    Who is involved in the shipping chain

    Cross-border sample transport usually involves several parties. The exact arrangements vary, so confirm the details for your own case.

    • IVF clinic in Thailand: performs the biopsy, prepares the sample and may coordinate the handover to a courier.
    • Testing laboratory: receives the sample, processes it and issues the report.
    • Courier or logistics provider: moves the sample between countries under specific conditions.
    • You and your partner: provide consent, confirm identity details and may need to approve or acknowledge shipping arrangements.

    Ask for a simple map of who does what. If no single person is clearly responsible for the handover, that is a gap worth clarifying before biopsy day.

    Timing: when the sample is collected and when it travels

    Biopsy timing is linked to embryo development in the laboratory. The sample is usually taken at a specific stage, and the shipping schedule should be planned around that stage. You do not need to memorise the biology, but you should ask how the clinic and the testing laboratory align their schedules.

    Questions to ask about timing:

    • On which day after fertilisation is the biopsy expected to take place?
    • How soon after biopsy is the sample prepared for transport?
    • Is there a planned shipping day, and what happens if that day changes?
    • How long is the sample expected to be in transit?
    • What is the backup plan if a flight is delayed or a courier misses a collection?
    • Will the embryo be frozen while waiting for the result, and how does that affect the timeline?

    Because transport schedules and laboratory cut-off times can change, treat any specific timing you are given as an estimate to confirm with the clinic and laboratory, not as a fixed promise.

    Transport conditions: what to confirm

    Biopsy samples are delicate. The testing laboratory usually specifies how the sample should be packaged and transported. The IVF clinic should follow those instructions. Ask both sides to confirm the same requirements.

    Categories to confirm:

    • Packaging: what type of container, vial or tube is used, and how it is sealed and labelled.
    • Temperature: whether the sample travels at room temperature, refrigerated or frozen, and how that temperature is maintained.
    • Documentation: what paperwork, labels or identifiers travel with the sample.
    • Chain of custody: how the sample is tracked from clinic to laboratory, and who signs for it at each handover.
    • Customs and import rules: what the courier or laboratory needs to clear the sample through the destination country.
    • Insurance or contingency: what happens if the sample is delayed, damaged or lost.

    You do not need to arrange these details yourself, but you should know who is responsible for each one. If the answer is unclear, ask for it in writing.

    Communication between the two laboratories

    Good communication reduces the risk of confusion. The IVF clinic and the testing laboratory should agree on how they will share information before, during and after shipping.

    Ask about:

    • Who is the main contact at each laboratory?
    • How will they confirm that the sample has been collected and shipped?
    • How will they confirm that the sample has arrived and been accepted for testing?
    • What is the expected turnaround time for the result, and how is that communicated?
    • Who will explain the result to you, and in what language?
    • What happens if the laboratory needs more information or the sample cannot be tested?

    If you are coordinating across languages and time zones, ask whether written summaries will be provided. Keep copies of all messages and documents.

    Checklist: questions to ask before biopsy day

    Use this checklist as a starting point. Add your own questions and record the answers.

    Topic Questions to ask
    Roles Who performs the biopsy? Who prepares the sample? Who arranges shipping? Who receives it?
    Timing When is the biopsy expected? When does the sample ship? How long is transit? What is the backup plan?
    Transport What packaging and temperature are required? How is the sample tracked? What documents travel with it?
    Customs What import or export paperwork is needed? Who prepares it? What happens if clearance is delayed?
    Communication Who contacts whom? How will you be updated? Who explains the result?
    Contingency What if the sample is delayed, damaged or unusable? What are the options then?
    Costs Which shipping, courier, documentation and testing costs are included, and which are separate?

    What can go wrong, and how to stay informed

    Cross-border shipping has several points where delays or problems can occur. Weather, flight schedules, customs checks and courier errors are outside your control. What you can control is how well you understand the plan and how quickly you are told if something changes.

    Ask the clinic and laboratory to tell you:

    • What events would trigger a call or email to you.
    • Who will contact you if the sample is delayed.
    • What options exist if the sample cannot be tested.
    • Whether a repeat biopsy would be possible, and what that would involve.

    Remember that PGT-A is a screening test, not a guarantee. It can provide useful information, but it cannot ensure a pregnancy, a live birth or a child without a genetic condition. Your clinic should explain the limitations and alternatives for your situation.

    Costs and paperwork: what to confirm

    Shipping a biopsy sample across borders usually involves several cost categories. These may include courier fees, packaging materials, documentation, customs clearance, laboratory handling and the genetic test itself. Some clinics bundle these; others list them separately. Because prices and rules vary, ask for a written breakdown of what is included and what is not.

    Paperwork may include consent forms, sample identification documents, import or export permits, and courier waybills. The exact requirements depend on the countries involved and can change. Confirm with your clinic, the testing laboratory and the courier what is needed for your case. Do not rely on general advice from other patients, because rules differ by destination and by laboratory.

    Next steps

    1. Ask your clinic for a written summary of the biopsy and shipping process.
    2. Confirm who is responsible at each step and how you will be contacted.
    3. Request a cost breakdown that separates shipping from testing.
    4. Ask the testing laboratory what it needs from the clinic and from you.
    5. Keep copies of all consent forms, labels and messages.
    6. Review the PGT in Thailand guide and the patient guides for more context.
    7. Check the FAQ for common questions about PGT and logistics.

    If any answer is vague, ask again. A clear process is easier to follow and easier to trust.

    Frequently asked questions

    Can I arrange the shipping of my PGT-A sample myself?

    In most cases, the IVF clinic and the testing laboratory coordinate shipping because the sample must be handled under specific conditions and with correct documentation. You may be asked to provide consent or identity documents, but the clinic and laboratory usually manage the courier and packaging. Ask your clinic who is responsible before biopsy day.

    How long does it take for a biopsy sample to travel from Thailand to another country?

    Transit time depends on the destination, flight schedules, customs clearance and the courier. It is not possible to give a single reliable figure. Ask your clinic and the testing laboratory for an estimate for your specific route, and ask what happens if the sample is delayed.

    What happens if the sample is damaged or cannot be tested?

    If a sample cannot be tested, the laboratory should inform your clinic. Your clinic should then explain the options, which may include discussing whether a repeat biopsy is possible. The exact options depend on your embryos and your treatment plan, so ask your clinic to explain what would happen in your case.

    Does PGT-A guarantee a healthy baby?

    No. PGT-A estimates chromosome number in the biopsied cells, but it cannot guarantee a pregnancy, a live birth or a child without a genetic condition. It is a screening test with limitations. Your clinic should discuss what PGT-A can and cannot tell you, and what alternatives exist.

    What should I ask about communication between the two laboratories?

    Ask who the main contact is at each laboratory, how they will confirm collection, shipping and arrival, how long the result is expected to take, and who will explain the result to you. If you speak a different language from the laboratory, ask whether written summaries will be provided.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • What Is a PGT-A Normal Embryo? Understanding Euploid Embryos

    Understanding PGT-A and Embryo Chromosomes

    PGT-A (preimplantation genetic testing for aneuploidy) is a test performed on embryos created through IVF. It checks for the correct number of chromosomes. Humans typically have 46 chromosomes in each cell, arranged in 23 pairs. An embryo with the expected number of chromosomes is called euploid. An embryo with missing or extra chromosomes is called aneuploid.

    PGT-A is not a routine test for every IVF patient. It may be recommended in certain situations, such as advanced maternal age, repeated implantation failure, or previous miscarriage. The decision to use PGT-A should be made with your fertility specialist, considering your individual history and goals.

    What Does a PGT-A Normal Result Mean?

    A PGT-A normal result indicates that the embryo appears to have the correct number of chromosomes based on the analysis of a few cells biopsied from the embryo. This is often described as a euploid embryo. The term ‘euploid’ comes from Greek, meaning ‘good’ or ‘true’ ploidy, referring to the correct chromosome count.

    It is important to understand that PGT-A is a screening test, not a diagnostic test. It cannot detect all genetic abnormalities, such as those caused by small deletions or duplications that are below the resolution of the test. Also, PGT-A does not assess the embryo’s overall health, its ability to implant, or the likelihood of a live birth.

    What Does Euploid Mean for Embryo Transfer?

    When you have a euploid embryo available for transfer, it means that the embryo has a normal chromosome count. This may increase the chance of implantation compared to an aneuploid embryo, but it is not a guarantee. Many factors influence whether a pregnancy occurs, including the embryo’s quality, the uterine environment, and other medical or lifestyle factors.

    Choosing to transfer a euploid embryo can help avoid transferring embryos that are likely to fail or miscarry due to chromosomal abnormalities. However, even a euploid embryo may not lead to a successful pregnancy. Your clinic will guide you on which embryo to transfer based on your specific situation.

    PGT-A Normal vs. Mosaic Embryos

    Sometimes PGT-A results show a mix of normal and abnormal cells in the embryo, which is called mosaic. A mosaic embryo may have both euploid and aneuploid cells. The clinical significance of mosaicism is still being studied. Some mosaic embryos can result in healthy births, while others may not. Your clinic can explain the implications of mosaic results and how they might affect your transfer decisions.

    What PGT-A Does Not Tell You

    PGT-A does not guarantee a successful pregnancy or a healthy baby. It only screens for chromosomal number abnormalities. It does not detect:

    • Single gene disorders (such as cystic fibrosis or sickle cell anemia) – these require PGT-M.
    • Structural chromosomal rearrangements – these require PGT-SR.
    • All genetic conditions or birth defects.
    • The embryo’s implantation potential or the likelihood of a live birth.

    Additionally, PGT-A cannot predict the health of the child after birth. Many other factors contribute to a healthy pregnancy and baby.

    Questions to Ask Your Clinic About PGT-A Results

    When you receive your PGT-A results, consider asking your clinic:

    • What does my specific result mean for my chances of implantation?
    • Are there any limitations to the test that I should be aware of?
    • How does the embryo quality factor into the transfer decision?
    • What are my options if I have no euploid embryos?
    • How does PGT-A compare to other tests like PGT-M or PGT-SR?

    Next Steps After a PGT-A Normal Result

    If you have a euploid embryo, your next step is to discuss the timing of your embryo transfer with your clinic. They will consider your uterine readiness, hormone levels, and overall health. Remember that PGT-A is just one piece of the puzzle. A euploid embryo is a positive sign, but it is not a guarantee of pregnancy.

    Take time to understand your results and ask questions. Your fertility team is there to support you through this process.

    Frequently asked questions

    What is a euploid embryo?

    A euploid embryo is an embryo that has the correct number of chromosomes (46 in humans). This is often referred to as a PGT-A normal embryo. It means that based on the PGT-A screening, the embryo appears to have no missing or extra chromosomes.

    Does a PGT-A normal embryo guarantee pregnancy?

    No. A PGT-A normal result does not guarantee pregnancy or a live birth. It only indicates that the embryo has a normal chromosome count. Other factors such as embryo quality, uterine receptivity, and overall health also play a role in successful implantation and pregnancy.

    What does 'euploid' mean in simple terms?

    In simple terms, 'euploid' means having the correct number of chromosomes. For humans, that is 46 chromosomes. A euploid embryo is considered to have a normal chromosome makeup, which may improve the chances of a successful pregnancy compared to an aneuploid embryo.

    What is the difference between PGT-A and PGT-M?

    PGT-A screens embryos for chromosomal number abnormalities (aneuploidy). PGT-M is used to detect specific single-gene disorders, such as cystic fibrosis or Huntington's disease. They are different tests with different purposes. Your clinic can advise which test is appropriate for your situation.

    Can a PGT-A normal embryo still have genetic problems?

    Yes. PGT-A only screens for chromosomal number abnormalities. It does not detect all genetic conditions, such as small deletions or single-gene mutations. Also, PGT-A cannot identify all birth defects or predict the future health of the child.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.

  • PGT-A vs PGT-M: Understanding the Difference

    If you are exploring IVF with genetic testing, you may have come across the terms PGT-A and PGT-M. Both are types of preimplantation genetic testing (PGT) performed on embryos before transfer, but they serve different purposes. In short, PGT-A checks embryos for an abnormal number of chromosomes (aneuploidy), while PGT-M looks for a specific single-gene disorder that runs in the family. This guide explains the difference in plain language, helping you understand which test may be relevant based on your medical history and what to discuss with your fertility team.

    At a glance: PGT-A vs PGT-M

    • PGT-A (Preimplantation Genetic Testing for Aneuploidy) screens embryos for chromosomal abnormalities, such as having an extra or missing chromosome.
    • PGT-M (Preimplantation Genetic Testing for Monogenic disorders) tests embryos for a specific inherited condition caused by a mutation in a single gene, such as cystic fibrosis or Huntington’s disease.
    • Both tests require IVF and biopsy of a few cells from the embryo.
    • Neither test guarantees a pregnancy or a healthy baby; they are screening tools to help select embryos for transfer.

    What is PGT-A?

    PGT-A is a screening test that looks at the number of chromosomes in an embryo. Humans typically have 46 chromosomes (23 pairs). An embryo with an abnormal number of chromosomes is called aneuploid. Most aneuploid embryos fail to implant or result in miscarriage, and some can lead to conditions like Down syndrome (trisomy 21).

    PGT-A is often considered for patients who are of advanced maternal age, have experienced recurrent pregnancy loss, or have had multiple failed IVF cycles. However, it is not a routine requirement for everyone. The test can help identify embryos that are more likely to implant, but it does not guarantee success.

    What PGT-A can and cannot tell you

    • Can tell: Whether the embryo has the expected number of chromosomes (euploid) or an abnormal number (aneuploid).
    • Cannot tell: Whether the embryo carries a specific gene mutation, nor can it predict the child’s future health, intelligence, or physical traits.

    What is PGT-M?

    PGT-M is a targeted test for a specific monogenic disorder—a condition caused by a mutation in a single gene. It is used when one or both parents are known carriers of a genetic condition, or when there is a family history of a specific disorder. The test identifies embryos that do not carry the mutation, allowing transfer of unaffected embryos.

    PGT-M requires prior genetic testing of the parents to identify the exact mutation. The test is then customized for each family. It is not a general screening test; it only looks for the specific condition it was designed to detect.

    Examples of conditions PGT-M can test for

    • Cystic fibrosis
    • Tay-Sachs disease
    • Sickle cell anemia
    • Huntington’s disease
    • Thalassemia

    This list is not exhaustive. The availability of PGT-M for a particular condition depends on the genetic cause and the laboratory’s capabilities.

    Key differences between PGT-A and PGT-M

    Aspect PGT-A PGT-M
    Purpose Screens for chromosomal abnormalities (aneuploidy) Tests for a specific single-gene disorder
    Who may consider it Patients with advanced maternal age, recurrent miscarriage, or repeated implantation failure Couples who are carriers of a genetic condition or have a family history of a specific disorder
    Requires prior genetic testing of parents? No Yes, to identify the specific mutation
    Result Embryo classified as euploid (normal chromosome number) or aneuploid (abnormal) Embryo classified as affected or unaffected for the specific condition
    Scope Broad screening of all chromosomes Targeted to one gene

    Which test is right for you?

    The choice between PGT-A and PGT-M depends on your medical history and genetic background. Some patients may benefit from both tests simultaneously, a process sometimes called PGT-A + PGT-M. However, this is not necessary for everyone.

    Your fertility specialist and a genetic counselor can help you understand your risks and the potential benefits of each test. They will review your history, any previous genetic testing, and your family background to make a recommendation.

    Questions to ask your clinic

    • Based on my age and history, is PGT-A recommended for me?
    • Do I need genetic carrier screening before considering PGT-M?
    • What is the biopsy procedure and how many cells are removed?
    • How long does testing take, and will embryos be frozen while waiting for results?
    • What are the limitations of these tests?

    Limitations and considerations

    It is important to understand that PGT is not a guarantee of a successful pregnancy or a healthy baby. Embryos can be mosaic, meaning they have a mix of normal and abnormal cells, and results may not always be clear-cut. Additionally, PGT does not detect all genetic disorders or birth defects.

    PGT-A and PGT-M are optional tests. Some patients choose not to have them, and that is a valid decision. Your medical team can provide guidance, but the final choice is yours.

    Next steps

    If you are considering PGT in Thailand, start by consulting with a fertility clinic that offers genetic testing services. Ask about their laboratory protocols, the experience of their embryologists, and the genetic counseling support they provide. You may also want to discuss the legal and ethical aspects of PGT in Thailand, as regulations can vary.

    For more information, explore our PGT in Thailand guide, read other educational guides, or check our FAQ section for common questions.

    Frequently asked questions

    Can PGT-A and PGT-M be done at the same time?

    Yes, it is possible to perform both PGT-A and PGT-M on the same embryo biopsy. This is often done when a couple is at risk for a single-gene disorder and also wants to screen for chromosomal abnormalities. However, not all embryos may be suitable for both tests, and the decision should be made with your fertility team.

    Is PGT-A necessary for everyone doing IVF?

    No, PGT-A is not necessary for everyone. It is often recommended for women of advanced maternal age, couples with recurrent pregnancy loss, or those with repeated implantation failure. However, for younger women with no known fertility issues, the benefit may be less clear. Discuss your specific situation with your doctor.

    Does PGT-M require prior genetic testing of the parents?

    Yes, PGT-M requires that the specific genetic mutation in the parents be identified first. This is usually done through carrier screening or diagnostic genetic testing. Without knowing the exact mutation, the test cannot be designed.

    What is the difference between PGT-A and PGT-SR?

    PGT-SR (Preimplantation Genetic Testing for Structural Rearrangements) is used when one parent has a chromosomal rearrangement, such as a translocation, which can lead to embryos with unbalanced chromosomes. PGT-A screens for aneuploidy in general, while PGT-SR is specifically for structural abnormalities. Some labs may combine these tests.

    Continue your research

    Medical information notice: This article is educational and does not replace individual assessment, diagnosis, genetic counselling or treatment advice from a licensed clinician. Provider services, availability, fees and policies should be verified directly before booking.