标签: pgt-a

  • PGT-A and Gender Selection in Thailand: Legal and Ethical Questions for International Patients

    Using PGT-A for gender selection in Thailand raises legal, ethical, and practical questions that vary by clinic and by patient situation. PGT-A is a laboratory test that screens embryos for chromosome number, not a guaranteed gender-selection tool. Some clinics may offer sex identification as part of PGT-A reporting, but whether that information can be used for family balancing depends on clinic policy, Thai professional guidelines, and your own reasons for requesting it. This guide explains the concepts, the limits, and the questions to ask before you plan treatment.

    At a glance

    • PGT-A screens embryos for extra or missing chromosomes; it is not a guarantee of pregnancy or a healthy child.
    • Sex identification may be possible from PGT-A data, but using it for gender selection is a separate ethical and legal question.
    • Thai clinics and professional bodies may have different policies; no single rule applies to every provider.
    • International patients should confirm clinic policy, documentation, and legal context directly with the treating clinic and, if needed, a qualified Thai legal professional.
    • Alternatives to PGT-A gender selection include accepting the natural sex ratio, using PGT-M or PGT-SR for medical reasons, or choosing not to test.

    What PGT-A actually tests

    Preimplantation genetic testing for aneuploidy (PGT-A) is performed on a small number of cells taken from an embryo during IVF. The test looks for an abnormal number of chromosomes, a condition called aneuploidy. Aneuploidy becomes more common with increasing maternal age and can reduce the chance of implantation or lead to early miscarriage. PGT-A is one of several preimplantation genetic tests; PGT-M looks for a specific inherited condition, and PGT-SR looks for structural chromosome rearrangements.

    PGT-A does not read the entire genetic code. It does not predict intelligence, appearance, or most complex traits. It also does not guarantee that a transferred embryo will implant, develop normally, or result in a live birth. Some embryos may be classified as mosaic, meaning the result is not fully normal or fully abnormal, and the interpretation of mosaicism is an evolving area of reproductive medicine.

    How sex identification fits into PGT-A

    Because PGT-A examines chromosomes, it can sometimes reveal the sex chromosomes (X and Y) along with the numbered chromosomes. In many laboratories, sex identification is reported as an additional piece of information when PGT-A is performed. However, the ability to report sex does not automatically mean the clinic will allow you to choose which embryo to transfer based on sex.

    Gender selection, also called sex selection or family balancing, is the deliberate choice of an embryo’s sex for non-medical reasons. Some clinics in Thailand may offer this as part of their IVF services, while others may restrict it to medical indications, such as avoiding a sex-linked genetic disorder. Policies can change, and they may differ between clinics, so you should ask directly rather than rely on general statements.

    Legal and ethical context in Thailand

    Thailand has laws and professional guidelines that affect assisted reproduction, but the specific rules around non-medical sex selection are not always clear-cut for international patients. Some sources suggest that sex selection for non-medical reasons is restricted or discouraged, while others indicate that certain clinics may offer it. This guide cannot provide a legal conclusion, and you should not treat it as legal advice.

    Ethically, opinions are divided. Supporters of family balancing argue that parents should be able to choose the sex of their child for family composition reasons. Critics raise concerns about gender discrimination, the potential for sex-ratio imbalance, and the idea of selecting children like consumer products. Many professional bodies recommend that non-medical sex selection be approached with caution and only after thorough counseling.

    For international patients, the practical reality is that you will need to confirm the current legal and clinic-specific position with the treating clinic and, if you want certainty, with a Thai lawyer who specializes in assisted reproduction. Do not assume that because a clinic advertises PGT-A it also offers non-medical sex selection.

    Questions to ask a clinic in Thailand

    Before you commit to treatment, ask the clinic directly about its policy and process. The answers will help you decide whether to proceed and how to plan.

    • Does your clinic offer PGT-A, and does the report include sex chromosomes?
    • If sex is reported, can patients request transfer of a specific sex for non-medical reasons?
    • What are your clinic’s written policies on family balancing and sex selection?
    • Are there any legal restrictions in Thailand that affect my situation as an international patient?
    • What counseling do you provide before PGT-A and before any sex-based embryo transfer?
    • What are the costs of PGT-A, embryo storage, and transfer, and what do those fees include?
    • What documents do I need to provide, and do any of them need translation or notarization?
    • What are the success rates for my age group, and how do you define success?
    • What happens to embryos that are not transferred?
    • Can you connect me with a legal professional who can advise on Thai law?

    Ethical considerations for your decision

    Choosing to use PGT-A for gender selection is a personal decision that may involve ethical, cultural, and family considerations. Some questions to reflect on include:

    • Why do I want to select the sex of my child? Is it for family balancing, cultural reasons, or other motivations?
    • How would I feel if the transfer did not result in a pregnancy, or if the selected embryo did not implant?
    • Am I comfortable with the idea of discarding or donating embryos that are not the desired sex?
    • Have I considered the child’s perspective and the message that sex selection might send?
    • Do I have accurate information about the legal and clinic-specific rules in Thailand?

    There are no universally right or wrong answers. A counselor or ethics consultant can help you explore these questions without pushing you toward a particular choice.

    Alternatives and limitations

    PGT-A is not the only option, and it is not necessary for everyone. Alternatives include:

    • Proceeding with IVF without PGT-A and accepting the natural sex ratio.
    • Using PGT-M or PGT-SR if you have a medical reason to avoid a sex-linked or chromosomal condition.
    • Choosing not to select sex and focusing on embryo quality and transfer timing.
    • Considering adoption or other family-building paths.

    Limitations of PGT-A include the possibility of false results, the fact that not all embryos are suitable for biopsy, and the reality that a normal result does not guarantee a healthy baby. PGT-A also adds cost and complexity to an IVF cycle. For some patients, the additional information is valuable; for others, it may not change the outcome.

    Planning your next steps

    If you are considering PGT-A gender selection in Thailand, a careful approach can help you avoid surprises.

    1. Clarify your own reasons and ethical comfort level.
    2. Research clinics that offer PGT-A and ask about their sex selection policy in writing.
    3. Confirm the legal context with a qualified Thai legal professional if you need certainty.
    4. Ask about costs, timelines, and what is included in the quoted price.
    5. Discuss the risks and limitations of PGT-A with a reproductive endocrinologist.
    6. Consider speaking with a counselor about the emotional and family implications.
    7. Prepare your travel and documentation based on what the clinic tells you, not on general internet claims.

    For more general information about PGT in Thailand, see our PGT in Thailand guide. You can also browse our patient guides and frequently asked questions for related topics.

    Frequently asked questions

    Is PGT-A gender selection legal in Thailand?

    The legal status of non-medical sex selection in Thailand is not straightforward and may depend on clinic policy, professional guidelines, and the specific circumstances. This guide cannot provide a legal conclusion. You should confirm the current position directly with the treating clinic and, if you need certainty, with a qualified Thai legal professional.

    Can PGT-A tell the sex of an embryo?

    PGT-A examines chromosomes, including the sex chromosomes, so it can sometimes reveal the sex of an embryo. However, whether that information is reported and whether it can be used for gender selection depends on the laboratory and the clinic's policy. Not all clinics offer sex selection for non-medical reasons.

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

    PGT-A screens for an abnormal number of chromosomes (aneuploidy). PGT-M looks for a specific inherited genetic condition. PGT-SR looks for structural chromosome rearrangements. Each test has different purposes and limitations, and none guarantees a successful pregnancy or a healthy child.

    What ethical issues should I consider before choosing gender selection?

    Ethical considerations include your reasons for selecting sex, how you feel about discarding or donating embryos of the non-desired sex, the potential impact on the child and family, and broader concerns about gender discrimination. A counselor can help you explore these questions without judgment.

    What should I ask a clinic in Thailand about PGT-A and gender selection?

    Ask whether the clinic offers PGT-A, whether sex is reported, whether non-medical sex selection is permitted, what counseling is provided, what the costs include, what documents are required, and what the clinic's success rates mean for your age group. Also ask for written policies and, if needed, a referral to a Thai legal professional.

    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.

  • PGT-A Cost Breakdown in Thailand: How to Read and Compare a Quote

    PGT-A cost in Thailand is rarely a single number. Most quotes combine IVF laboratory work, embryo biopsy, genetic testing per embryo, medication, monitoring, and administrative items. Because clinics package these differently, the only reliable way to compare is a written, itemised quote that states what is included, what is excluded, and how charges change if more embryos are tested or a cycle is repeated. This guide explains the categories to look for and the questions that make quotes comparable.

    At a glance

    • A PGT-A quote usually bundles IVF cycle costs with biopsy and genetic testing, but the boundaries vary by clinic.
    • Per-embryo testing fees are a common variable; ask how many embryos are covered and what happens beyond that number.
    • Medication, pre-treatment testing, storage, and follow-up are frequent exclusions.
    • Ask for a written quote with a validity period and a clear list of inclusions and exclusions.
    • Compare quotes line by line, not by the headline total.

    Why PGT-A quotes are hard to compare

    PGT-A, or preimplantation genetic testing for aneuploidy, is a laboratory step added to an IVF cycle. It involves removing a small number of cells from an embryo and testing them for chromosomal number. The clinical decision to use PGT-A, and how results are used, belongs to the treating clinic and the patient. Cost, however, is often presented in packages that mix several services.

    One clinic may quote a single figure covering IVF, biopsy, and testing up to a set number of embryos. Another may quote IVF separately and charge testing per embryo. A third may include medication while another lists it separately. None of these approaches is automatically better; they simply require different questions. The goal is to reconstruct a like-for-like comparison from written documents.

    Core components of a PGT-A cost quote

    When you receive a quote, check whether each of the following categories is included, excluded, or charged separately. The list is a framework, not a prediction of what any specific clinic will charge.

    Component What it typically covers What to confirm
    IVF cycle Monitoring, egg retrieval, laboratory fertilisation and embryo culture Number of monitoring visits, anaesthesia, and whether a fresh or frozen transfer is included
    Embryo biopsy Laboratory procedure to sample cells from each embryo Whether the fee is per embryo or per cycle, and who performs it
    Genetic testing Laboratory analysis of biopsy samples for chromosomal number Number of embryos covered, reporting method, and turnaround time
    Medication Stimulation and cycle-support drugs Whether included, estimated separately, or purchased outside the clinic
    Pre-treatment testing Blood tests, imaging, and screening required before the cycle Which tests are mandatory, where they can be done, and whether results expire
    Embryo storage Cryopreservation and storage of surplus embryos Free storage period, annual fee after that, and what happens if storage is discontinued
    Follow-up Consultations, results review, and transfer planning Whether included in the package or billed per visit

    Common add-ons and exclusions

    Quotes often look lower because certain items sit outside the package. These are not necessarily hidden fees, but they are easy to overlook when comparing headline numbers.

    • Additional embryos: testing beyond the number included in the package.
    • Repeat or cancelled cycles: whether any portion is refundable or discounted.
    • Frozen embryo transfer: a separate procedure if the first transfer is deferred.
    • Medication adjustments: dose changes during stimulation can alter the medication total.
    • Laboratory extras: techniques such as assisted hatching or sperm selection, if recommended.
    • Administrative items: registration, records, translation, or courier fees.
    • Travel and accommodation: rarely included and highly individual.

    Ask the clinic to mark each item as included, excluded, or conditional. A conditional item is one that depends on your response to treatment, such as the number of embryos available for biopsy.

    Questions to ask before comparing prices

    These questions turn a marketing figure into a comparable quote. Ask them in writing so you can refer back to the answers.

    1. Can you send a written, itemised quote with a validity period?
    2. How many embryos does the quoted testing fee cover, and what is the charge per additional embryo?
    3. Is medication included? If not, can you provide an estimated range and a list of drugs?
    4. Which pre-treatment tests are required, and can any be done in my home country?
    5. What happens to the price if the cycle is cancelled, or if no embryos are suitable for biopsy?
    6. Are storage fees included for the first year? What is the annual fee afterwards?
    7. Does the quote include a fresh transfer, a frozen transfer, or both?
    8. Are there separate charges for consultations, results review, or follow-up?
    9. What is the payment schedule, and which currencies are accepted?
    10. Who is my main contact for billing questions?

    How to build a comparison table

    Once you have written quotes, place them side by side using the same categories. Do not convert currencies using a single day’s rate without noting the date; exchange rates move. Instead, compare the structure first, then the totals.

    • List each component from the table above as a row.
    • Mark included, excluded, or conditional for each clinic.
    • Note any per-embryo or per-cycle assumptions.
    • Add a column for questions you still need answered.
    • Keep the original quotes and any email clarifications together.

    This approach shows whether a lower headline price is genuinely lower or simply excludes items another clinic includes.

    Planning beyond the quote

    Cost is one part of planning. You may also need to consider travel, time away from work, and the number of visits a cycle requires. Ask the clinic how many trips are typically needed and whether monitoring can be shared with a local clinic. These practical points affect the total cost of treatment even when they are not on the invoice.

    For broader context on IVF costs and planning, see our guides on PGT-A cost in Thailand and IVF cost in Thailand. You can also explore patient resources for checklists and questions to bring to consultations. If you would like help organising quotes or understanding next steps, you can contact us.

    Next-step checklist

    • Request written, itemised quotes from each clinic you are considering.
    • Confirm the number of embryos covered by the testing fee.
    • Ask which items are excluded and which are conditional.
    • Check medication, storage, and follow-up charges separately.
    • Note the quote validity period and payment schedule.
    • Keep all answers in one document for side-by-side comparison.
    • Ask the clinic to clarify anything that is not in writing.

    No article can tell you what a specific clinic will charge, because prices depend on the clinic, the treatment plan, and your individual response. A written quote is the only reliable basis for comparison.

    Frequently asked questions

    What should a PGT-A cost quote in Thailand include?

    A useful quote separates the IVF cycle, embryo biopsy, genetic testing, medication, pre-treatment testing, storage, and follow-up. It should state which items are included, which are excluded, and which depend on your response to treatment, such as the number of embryos available for testing.

    Why do PGT-A prices vary so much between clinics?

    Clinics package services differently. Some bundle IVF, biopsy, and testing up to a set number of embryos; others charge testing per embryo or list medication separately. Variation also reflects different laboratory arrangements and administrative practices. Comparing itemised quotes is more reliable than comparing headline totals.

    Are there hidden fees in PGT-A quotes?

    Not necessarily hidden, but some items are commonly excluded from package prices. These can include testing beyond the included number of embryos, repeat or cancelled cycles, frozen embryo transfer, medication adjustments, storage after an initial period, and administrative charges. Ask for a written list of inclusions and exclusions.

    How can I compare PGT-A quotes from different clinics?

    Use the same categories for each quote, mark each item as included, excluded, or conditional, and note any per-embryo assumptions. Keep the written quotes and any email clarifications together. This makes it easier to see whether a lower total reflects a genuine difference or simply fewer included services.

    Can I get a fixed PGT-A price before treatment?

    Some clinics offer package prices, but many costs depend on your treatment plan and response, such as the number of embryos tested or medication dose. Ask whether the quote is fixed, conditional, or an estimate, and request a written validity period.

    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.

  • How to Prepare for Your PGT-A Biopsy Day in Thailand

    If you are scheduled for a PGT-A biopsy in Thailand, you may feel a mix of hope and nervousness. This guide explains what happens on the day of the biopsy and provides a practical checklist to help you feel prepared. Remember, your fertility clinic is your best source of specific instructions, so use this as a general framework and confirm details with your care team.

    At a Glance: Your Biopsy Day Checklist

    • Confirm your appointment time and location with your clinic.
    • Ask about any preparation steps required from you (e.g., medications, fasting).
    • Understand that the biopsy is performed on embryos in the lab, not on your body.
    • Plan for a waiting period after the biopsy while embryos are sent for testing.
    • Prepare questions about timing, results, and next steps.

    Understanding the PGT-A Biopsy Process

    PGT-A (preimplantation genetic testing for aneuploidy) is a test that checks embryos for the correct number of chromosomes. During the biopsy, a few cells are removed from the outer layer of the embryo (trophectoderm) that will become the placenta. This is done in the embryology laboratory, not in your body. The biopsied cells are then sent to a genetics lab for analysis, which can take several days to weeks.

    It is important to know that PGT-A is not a guarantee of a successful pregnancy or a healthy baby. It is a screening tool that can help your doctor choose which embryo to transfer, but it does not eliminate all risks.

    Before the Biopsy Day: What to Ask Your Clinic

    In the days leading up to your biopsy, contact your clinic to clarify the following:

    • Exact timing: When is the biopsy scheduled? Is it on a specific day after egg retrieval?
    • Preparation requirements: Do you need to take any medications, such as antibiotics or progesterone, before the biopsy? Are there any dietary restrictions?
    • Who performs the biopsy: Ask about the embryologist’s experience and the lab’s protocols.
    • How you will be informed: Will the clinic call you with results, or will you have a follow-up appointment?
    • Costs: Confirm what is included in the biopsy fee and what additional costs may arise (e.g., genetic testing, shipping).

    On the Day of the Biopsy: Step-by-Step

    1. Confirm Logistics

    Double-check your appointment time and location. If you are traveling from another city or country, ensure you have reliable transportation and have planned for any traffic delays. Keep your clinic’s contact number handy.

    2. Follow Pre-Procedure Instructions

    Your clinic may give you specific instructions, such as taking certain medications or avoiding food or drink for a few hours. Follow these exactly. If you are unsure, call the clinic.

    3. Arrive at the Clinic

    Plan to arrive a little early to complete any paperwork or to ask last-minute questions. You may not need to do anything physically on this day, as the biopsy is performed in the lab. However, you may need to sign consent forms if you haven’t already.

    4. Understand the Lab Process

    While the biopsy is happening, you will likely wait. The embryologist will use a microscope and a fine needle to remove a few cells from each embryo. This process is delicate and requires skill. The embryos are then placed back into culture while the biopsied cells are prepared for genetic analysis.

    5. Ask About Next Steps

    Before you leave, ask the clinic how and when you will receive the results. Typically, results are available within a week or two, but this can vary. Ask whether you will have a consultation to discuss the results and what your options are.

    What to Expect After the Biopsy

    After the biopsy, your embryos will continue to develop in the lab. The biopsied cells are sent to a genetics laboratory for analysis. You may not need to stay in Thailand during this waiting period, but you should discuss this with your clinic. Some patients choose to return home and come back for a frozen embryo transfer later.

    It is normal to feel anxious while waiting for results. Try to focus on self-care and stay in touch with your clinic for updates.

    Questions to Ask Your Clinic About Biopsy Day

    • How many embryos are expected to be biopsied?
    • What is the experience of the embryologist performing the biopsy?
    • How long will the biopsy take?
    • Will I be sedated or experience any discomfort? (Usually, the biopsy is not painful because it is done on embryos, not on you.)
    • How will I be notified of the results, and how long will it take?
    • What are the next steps after the results are available?

    Your Next-Step Checklist

    • Confirm your biopsy appointment details with your clinic.
    • Ask about any preparation steps required from you.
    • Plan your travel and accommodation if you are coming from afar.
    • Prepare a list of questions for your clinic.
    • After the biopsy, ask about the expected timeline for results.
    • Discuss with your doctor what the results might mean for your treatment plan.

    For more information about PGT in Thailand, visit our PGT in Thailand page. You can also explore our guides and FAQ sections for additional support.

    Frequently asked questions

    Is the PGT-A biopsy painful?

    No, the biopsy is performed on embryos in the laboratory, not on your body. You will not feel any pain during the procedure. You may have some anxiety, but the process itself is not physically uncomfortable.

    How long does the PGT-A biopsy take?

    The biopsy procedure itself is relatively quick, but the overall time can vary depending on the number of embryos. Your clinic can give you a more specific estimate based on your situation.

    When will I get the PGT-A results?

    Results typically take several days to a few weeks, as the biopsied cells must be sent to a genetics laboratory for analysis. Your clinic will provide you with a more precise timeline.

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

    It depends on your clinic's recommendations and your personal circumstances. Some patients choose to return home and come back for a frozen embryo transfer later. Discuss your travel plans 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.

  • What Is the Legal Status of PGT-A in Thailand?

    If you are considering IVF with preimplantation genetic testing for aneuploidy (PGT-A) in Thailand, you may wonder whether the procedure is legally permitted. This guide explains the general legal landscape, highlights that regulations can change, and provides practical steps to confirm current requirements with your clinic and relevant authorities.

    At a Glance

    • PGT-A is a genetic test performed on embryos before transfer to screen for chromosomal abnormalities.
    • Thailand has regulations governing assisted reproductive technology, but specific rules for PGT-A may vary and evolve.
    • Always verify the latest legal status and requirements with your chosen clinic and relevant Thai authorities.

    Understanding PGT-A

    PGT-A (preimplantation genetic testing for aneuploidy) is a technique used during IVF to analyze embryos for an abnormal number of chromosomes. It is not a guarantee of a successful pregnancy or a healthy child, but it can provide information that may help you and your doctor decide which embryos to consider for transfer.

    PGT-A is distinct from PGT-M (for single-gene disorders) and PGT-SR (for structural rearrangements). Each type of testing has its own purpose and may be subject to different regulations.

    Legal Framework in Thailand

    Thailand has a legal framework for assisted reproductive technologies, including IVF and related genetic testing. However, the specific legal status of PGT-A may not be explicitly defined in all cases, and regulations can change.

    As of the time of writing, there is no publicly available, centralized source that clearly states whether PGT-A is fully legal, restricted, or prohibited in Thailand. This means that you should not rely on general assumptions. Instead, you should seek current, authoritative information from your clinic and possibly from Thai regulatory bodies.

    How to Verify Current Regulations

    Because laws and guidelines can change, it is essential to confirm the legal status of PGT-A directly. Here are steps you can take:

    1. Ask your clinic: Your IVF clinic should be able to explain which genetic tests they offer and whether they are permitted under Thai law. Ask for written information or official guidelines.
    2. Contact the relevant authority: In Thailand, the Department of Health under the Ministry of Public Health may have oversight of ART clinics. You can inquire about current regulations.
    3. Consult a legal professional: If you need a definitive legal interpretation, consider seeking advice from a lawyer experienced in Thai healthcare law.

    Questions to Ask Your Clinic

    When discussing PGT-A with a clinic in Thailand, consider asking:

    • Is PGT-A currently offered at your clinic?
    • What is the legal basis for offering PGT-A in Thailand?
    • Are there any restrictions on which embryos can be tested or transferred?
    • How do you ensure compliance with Thai regulations?
    • What are the costs involved, and are they covered by insurance?

    Next Steps

    If you are considering PGT-A in Thailand, take these steps:

    1. Research clinics that offer PGT-A and have experience with international patients.
    2. Contact clinics directly to ask about their services and legal compliance.
    3. Verify any information you receive with official sources.
    4. Consider consulting with a fertility specialist to understand if PGT-A is appropriate for your situation.

    Remember that PGT-A is not suitable for everyone. Your doctor can help you weigh the potential benefits and limitations based on your medical history and age.

    For more general information about PGT in Thailand, see our PGT in Thailand guide. You may also find our other guides helpful, or check the FAQ section for common questions.

    Frequently asked questions

    Is PGT-A legal in Thailand?

    The legal status of PGT-A in Thailand is not clearly defined in publicly available sources. Regulations may change, so it is essential to verify with your chosen clinic and relevant Thai authorities before proceeding.

    Are there restrictions on genetic testing of embryos in Thailand?

    Thailand has regulations for assisted reproductive technology, but specific restrictions on PGT-A may vary. You should ask your clinic about any limitations and confirm with official sources.

    How can I find out if a clinic in Bangkok offers PGT-A legally?

    Contact the clinic directly and ask about their PGT-A services and legal compliance. You can also inquire with the Thai Department of Health or consult a legal expert for current information.

    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.

  • How to Read Your PGT-A Results: A Patient-Friendly Guide

    If you have just received your PGT-A results, you may be looking at a report full of unfamiliar terms like euploid, aneuploid, and mosaic. It is normal to feel both hopeful and uncertain. This guide explains the main result categories in plain English and helps you prepare for a detailed discussion with your genetic counselor or fertility specialist.

    At a glance: PGT-A result categories

    • Euploid – the embryo has the expected number of chromosomes.
    • Aneuploid – the embryo has missing or extra chromosomes.
    • Mosaic – the embryo has a mix of cells with different chromosome numbers.
    • No result – the test did not produce enough information to classify the embryo.

    Each category provides different information, and none is a guarantee of pregnancy or a healthy baby. Your clinical team will interpret the result in the context of your medical history and treatment plan.

    What is PGT-A?

    Preimplantation genetic testing for aneuploidy (PGT-A) is a test that checks embryos for the correct number of chromosomes. Humans typically have 46 chromosomes, arranged in 23 pairs. An embryo with the right number is called euploid. An embryo with missing or extra chromosomes is called aneuploid.

    PGT-A is performed on a small number of cells taken from a blastocyst (a day-5 or day-6 embryo) before a potential transfer. The test is not a guarantee of a successful pregnancy or a healthy baby. It is one piece of information that can help you and your clinic decide which embryo to transfer.

    Understanding your PGT-A report

    Your report will likely list each embryo that was tested and a result for each. The terms may vary slightly between laboratories, but the main categories are described below.

    Euploid (normal)

    A euploid embryo has the expected number of chromosomes. This is often described as a “normal” result. Euploid embryos have the highest chance of implanting and developing, but they are not a guarantee of pregnancy or a healthy baby. Other factors, such as embryo quality and the health of the uterus, also matter.

    Aneuploid (abnormal)

    An aneuploid embryo has missing or extra chromosomes. For example, an embryo with an extra copy of chromosome 21 has trisomy 21, which causes Down syndrome. Most aneuploid embryos do not implant or result in a miscarriage. Aneuploid embryos are generally not recommended for transfer, but your clinic will discuss your specific situation.

    Mosaic

    A mosaic embryo has a mixture of cells: some with the expected number of chromosomes and some with an abnormal number. The report may show a percentage, such as “20% mosaic.” Mosaic results are more complex to interpret. Some mosaic embryos may develop normally, while others may not. The clinical significance depends on the specific chromosomes involved and the percentage of abnormal cells. Your genetic counselor can explain what a mosaic result means for your particular embryo.

    No result

    Sometimes the test does not produce enough information to classify an embryo. This can happen if the biopsy sample was too small or the DNA did not amplify well. A “no result” does not mean the embryo is abnormal. You may choose to retest, or you may decide to transfer the embryo without further testing, depending on your clinic’s advice.

    What your PGT-A result does not tell you

    PGT-A only screens for chromosomal abnormalities. It does not test for every genetic condition, and it does not guarantee a healthy baby. Other factors, such as the embryo’s structure, the uterine environment, and your overall health, also affect the outcome. PGT-A is not a substitute for prenatal testing, which can provide additional information during pregnancy.

    How to discuss your results with your clinic

    Your genetic counselor or fertility specialist is the best person to interpret your results in the context of your medical history. Before your appointment, write down any questions you have. Here are some questions you might ask:

    • What does this result mean for the chance of implantation and live birth?
    • Are there any additional tests we should consider?
    • If the embryo is mosaic, what is the specific risk and what are our options?
    • How does my age and medical history affect the interpretation?
    • What are the next steps in our treatment plan?

    Next steps after receiving your results

    After you receive your PGT-A results, you and your clinic will decide which embryo, if any, to transfer. This decision may involve a frozen embryo transfer (FET) cycle. Your clinic will guide you through the process, including any necessary preparation and timing.

    If you have questions about PGT-A in general, you can explore our PGT in Thailand page. For more educational articles, visit our guides section. You may also find answers in our FAQ.

    Key takeaways

    • PGT-A results are not a guarantee of pregnancy or a healthy baby.
    • Euploid means the embryo has the expected number of chromosomes.
    • Aneuploid means the embryo has missing or extra chromosomes.
    • Mosaic means the embryo has a mix of cells with different chromosome numbers.
    • Always discuss your results with a genetic counselor or your fertility specialist.

    Frequently asked questions

    What does a 'normal' PGT-A result mean?

    A normal PGT-A result, also called euploid, means the embryo has the expected number of chromosomes. It does not guarantee a pregnancy or a healthy baby, but it may have a higher chance of implanting compared to an abnormal embryo.

    What is a mosaic embryo?

    A mosaic embryo has a mix of cells with different chromosome numbers. Some cells may be normal, and some may be abnormal. The clinical significance depends on the specific chromosomes involved and the percentage of abnormal cells. Your genetic counselor can explain what this means for your embryo.

    Can a mosaic embryo lead to a healthy baby?

    Some mosaic embryos may develop normally, but the outcome is not guaranteed. The risk depends on the type and extent of mosaicism. Your clinic can provide more personalized information based on your embryo's specific result.

    What should I do if my PGT-A result is 'no result'?

    A 'no result' means the test could not classify the embryo. This can happen for technical reasons. You may discuss with your clinic whether to retest or consider transferring the embryo without further testing. Your clinic will advise based on your situation.

    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 Does PGT-A Test For? A Guide for Patients

    PGT-A at a Glance

    PGT-A stands for preimplantation genetic testing for aneuploidy. It is a test performed on embryos created through in vitro fertilization (IVF) before any embryo is transferred to the uterus. The purpose of PGT-A is to check whether an embryo has the correct number of chromosomes—the structures that carry your genes. Having too many or too few chromosomes is called aneuploidy, and it is a common reason why embryos fail to implant or miscarry.

    PGT-A is not a test for specific genetic diseases, nor does it guarantee a successful pregnancy. Instead, it provides information that can help you and your fertility team decide which embryo to transfer first, potentially reducing the time it takes to achieve a healthy pregnancy.

    What Does PGT-A Test For?

    PGT-A screens for aneuploidy, meaning it checks the number of chromosomes in each embryo. Humans typically have 23 pairs of chromosomes, for a total of 46. An embryo with an abnormal number—such as an extra chromosome 21 (which causes Down syndrome) or a missing chromosome—is considered aneuploid.

    Most aneuploidies are not compatible with life, and many embryos with these abnormalities stop developing before implantation or result in early miscarriage. PGT-A aims to identify embryos that have the correct number of chromosomes (euploid), which are more likely to implant and develop into a healthy baby.

    It is important to note that PGT-A does not test for every possible genetic condition. It only looks at chromosome number, not structural changes or single-gene disorders. For those, other types of testing, such as PGT-M or PGT-SR, may be used.

    How PGT-A Works

    PGT-A is performed as part of an IVF cycle. After eggs are retrieved and fertilized in the laboratory, embryos are allowed to develop for about five to six days, until they reach the blastocyst stage. At that point, a small number of cells are removed from the part of the embryo that will become the placenta. This is called a biopsy.

    The biopsied cells are then sent to a genetics laboratory, where they are analyzed for chromosome number. The process typically takes several days to a few weeks, depending on the laboratory and the specific technology used. Once results are available, your fertility team will discuss them with you and help you decide which embryo, if any, to transfer.

    Because the biopsy removes cells from the placenta, not the baby, the procedure is considered safe for the embryo, though no medical procedure is without some risk. Your clinic can explain the specifics of their biopsy technique and the potential risks and benefits.

    Who Might Consider PGT-A?

    PGT-A is not recommended for everyone. It is often offered to people who have an increased risk of aneuploidy, such as:

    • Women over the age of 35, as the risk of aneuploidy increases with maternal age.
    • People who have experienced recurrent pregnancy loss or repeated implantation failure.
    • Couples with a known chromosomal abnormality in one partner.
    • People who have had previous pregnancies with a chromosomal condition.

    However, the decision to use PGT-A is personal and should be made in consultation with your fertility specialist. Some people choose PGT-A to reduce the risk of miscarriage or to avoid the need for multiple transfer attempts. Others may not need it, especially if they are younger and have no known risk factors.

    It is also worth noting that PGT-A is an optional test. You can choose to have IVF without PGT-A, and many people do. Your doctor can help you weigh the potential benefits and limitations based on your individual situation.

    Understanding PGT-A Results

    PGT-A results are typically reported as one of the following:

    • Euploid: The embryo has the expected number of chromosomes. This is considered a normal result.
    • Aneuploid: The embryo has an abnormal number of chromosomes. These embryos are generally not recommended for transfer, as they are less likely to result in a live birth.
    • Mosaic: The embryo has a mix of normal and abnormal cells. Mosaic embryos may have a lower chance of implantation, but some can still lead to a healthy pregnancy. The decision to transfer a mosaic embryo is complex and should be discussed with your doctor.
    • No result: Sometimes the test fails to produce a clear result, and the embryo may need to be retested or may not be suitable for transfer.

    It is important to remember that a euploid embryo is not a guarantee of pregnancy. Other factors, such as the health of the uterus and the quality of the embryo, also play a role. PGT-A is a screening tool, not a diagnostic test, and it does not eliminate all risks.

    What PGT-A Does Not Test For

    PGT-A only checks for an abnormal number of chromosomes. It does not detect:

    • Single-gene disorders, such as cystic fibrosis or sickle cell anemia. For these, PGT-M (preimplantation genetic testing for monogenic disorders) is used.
    • Structural chromosomal rearrangements, such as translocations. For these, PGT-SR (preimplantation genetic testing for structural rearrangements) is used.
    • All genetic conditions or birth defects. Many conditions are not detectable by any preimplantation test.

    If you have a specific genetic condition in your family, your doctor may recommend PGT-M or PGT-SR instead of or in addition to PGT-A. These tests are more targeted and require prior genetic counseling and testing.

    Limitations and Considerations

    While PGT-A can provide valuable information, it has limitations that you should be aware of:

    • It does not guarantee a live birth. Even a euploid embryo may fail to implant or miscarry for other reasons.
    • It is not 100% accurate. There is a small chance of a false positive or false negative result.
    • It adds cost and time to an IVF cycle. The biopsy and genetic analysis are additional procedures that may not be covered by insurance.
    • It requires a laboratory with specialized expertise. Not all IVF clinics offer PGT-A, and the quality of testing can vary.

    Before deciding on PGT-A, ask your clinic about their experience, the specific technology they use, and the success rates they have seen with PGT-A. Also, consider the emotional and financial costs, as well as the potential benefits.

    Questions to Ask Your Clinic

    If you are considering PGT-A, here are some questions to ask your fertility team:

    • What is your experience with PGT-A? How many cycles have you performed?
    • What is the cost of PGT-A, and what does it include?
    • How long does it take to get results?
    • What is your policy on transferring mosaic embryos?
    • What are the risks of the biopsy procedure?
    • How do you handle embryos with no result?

    These questions can help you make an informed decision that aligns with your values and goals.

    Next Steps

    If you are new to PGT-A, start by learning more about the different types of preimplantation genetic testing. Our PGT in Thailand page provides an overview of PGT-A, PGT-M, and PGT-SR. You can also explore our guides for more in-depth information, or visit our FAQ section for common questions.

    Ultimately, the decision to use PGT-A is a personal one. Take the time to discuss your options with your partner and your fertility specialist. They can help you understand how PGT-A fits into your overall treatment plan and whether it is right for you.

    Frequently asked questions

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

    PGT-A screens embryos for an abnormal number of chromosomes (aneuploidy), while PGT-M tests for specific single-gene disorders, such as cystic fibrosis or Huntington's disease. PGT-A is often used to improve the chances of a successful pregnancy, whereas PGT-M is used when a couple is at risk of passing on a known genetic condition.

    Is PGT-A necessary for all IVF patients?

    No, PGT-A is not necessary for everyone. It is often recommended for women over 35, those with recurrent pregnancy loss, or couples with a known chromosomal abnormality. However, younger women with no known risk factors may not benefit significantly from PGT-A. Your fertility specialist can help you decide if PGT-A is appropriate for you.

    Can PGT-A guarantee a healthy baby?

    No, PGT-A cannot guarantee a healthy baby. It only screens for an abnormal number of chromosomes, which is one factor in embryo viability. Other genetic conditions, birth defects, and pregnancy complications are not detected by PGT-A. Even a euploid embryo may not result in a live birth.

    What is a mosaic embryo?

    A mosaic embryo has a mixture of cells with normal and abnormal chromosome numbers. This can happen when an error occurs during cell division after fertilization. Mosaic embryos may have a lower chance of implantation, but some can still lead to a healthy pregnancy. The decision to transfer a mosaic embryo is complex and should be discussed with your doctor.

    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.

  • Planning Your PGT-A IVF Trip to Thailand: A Step-by-Step Timeline

    Planning Your PGT-A IVF Journey to Thailand

    If you are considering IVF with preimplantation genetic testing for aneuploidy (PGT-A) in Thailand, careful planning can make the experience smoother. This guide provides a step-by-step timeline to help you prepare for travel, treatment, and recovery. Remember that every treatment plan is personal, and your clinic will give you specific instructions based on your medical history.

    At a Glance: Key Steps in Your PGT-A IVF Travel Timeline

    • Initial research and clinic selection – Compare clinics and services.
    • Remote consultation – Discuss your medical history and preliminary plan.
    • Preparation and documentation – Gather medical records, arrange travel, and plan accommodation.
    • Travel to Thailand – Arrive with enough buffer time before treatment starts.
    • Treatment cycle – Ovarian stimulation, egg retrieval, fertilization, and biopsy.
    • Waiting period for PGT-A results – Plan for a break or return home.
    • Embryo transfer (if applicable) – Return for a frozen embryo transfer in a later cycle.
    • Recovery and follow-up – Post-transfer care and communication with your clinic.

    Step 1: Initial Research and Clinic Selection

    Start by researching fertility clinics in Thailand that offer PGT-A. Look for clinics that communicate clearly in English and have experience with international patients. Consider factors such as success rates (though these should be interpreted cautiously), laboratory accreditation, and the availability of genetic counseling. Make a shortlist of clinics that seem to fit your needs.

    Step 2: Remote Consultation

    Most clinics offer remote consultations via video call. During this consultation, you will discuss your medical history, previous fertility treatments, and any genetic concerns. The doctor will likely recommend a preliminary treatment plan and outline the steps involved. This is also a good time to ask about the clinic’s experience with PGT-A and international patients.

    Questions to Ask During Your Remote Consultation

    • What is the typical timeline for a PGT-A cycle from start to embryo transfer?
    • How long do I need to stay in Thailand for the egg retrieval and biopsy?
    • When will PGT-A results be available, and how will I receive them?
    • What are the costs for the entire cycle, including medications, lab fees, and genetic testing?
    • Do you offer support with travel and accommodation arrangements?

    Step 3: Preparation and Documentation

    Once you have chosen a clinic, you will need to prepare several things:

    • Medical records: Gather your complete medical history, including any previous fertility treatments, surgical reports, and genetic testing results.
    • Travel documents: Ensure your passport is valid for at least six months beyond your planned stay. Check visa requirements for Thailand based on your nationality.
    • Medication plan: Your clinic will prescribe medications for ovarian stimulation. You may need to arrange to bring these medications with you or have them shipped to Thailand. Check customs regulations for bringing medications into the country.
    • Accommodation: Book a place to stay near the clinic. Consider the length of your stay and whether you need a kitchen to prepare meals.
    • Travel insurance: Consider purchasing travel insurance that covers medical treatment and unexpected delays.

    Step 4: Travel to Thailand

    Plan to arrive in Thailand a few days before your scheduled treatment start. This gives you time to adjust to the time zone, meet with your doctor in person, and complete any remaining paperwork. Your clinic will provide a schedule for monitoring appointments and medication instructions.

    Step 5: Treatment Cycle

    The treatment cycle typically involves the following steps:

    1. Ovarian stimulation: You will take hormone injections for about 10-12 days to stimulate your ovaries to produce multiple eggs. During this time, you will have regular blood tests and ultrasounds to monitor your progress.
    2. Egg retrieval: When your eggs are mature, a minor surgical procedure is performed under sedation to collect the eggs. This is usually done as an outpatient procedure.
    3. Fertilization and embryo culture: The eggs are fertilized with sperm in the laboratory, and the resulting embryos are cultured for about 5-6 days until they reach the blastocyst stage.
    4. Embryo biopsy: A few cells are removed from each blastocyst and sent for PGT-A testing. This is done in the lab, and you do not need to be present.

    Step 6: Waiting Period for PGT-A Results

    After the biopsy, the embryos are frozen while the PGT-A testing is performed. The results typically take about 7-14 days, but this can vary. You may choose to stay in Thailand during this waiting period, or you may return home and come back later for a frozen embryo transfer. Discuss your options with your clinic to plan accordingly.

    Step 7: Embryo Transfer (If Applicable)

    If you have at least one chromosomally normal embryo, you will need to return to Thailand for a frozen embryo transfer. This involves preparing your uterine lining with medications, and then the embryo is transferred into your uterus in a simple procedure. The transfer usually occurs in a subsequent menstrual cycle, so you will need to plan your travel accordingly.

    Step 8: Recovery and Follow-Up

    After the embryo transfer, you will have a period of rest before you can take a pregnancy test. Your clinic will provide instructions for post-transfer care and when to take the test. If you are returning home, you will need to arrange for follow-up monitoring with a local healthcare provider. Your clinic in Thailand will likely offer remote consultations to discuss your results and next steps.

    Practical Considerations for Your Trip

    Travel Flexibility

    IVF timelines can change due to your body’s response to medications or other factors. Build flexibility into your travel plans, such as booking refundable flights and accommodation, to accommodate any unexpected delays.

    Accommodation

    Choose a place that is comfortable and convenient. Consider proximity to the clinic, access to pharmacies, and a quiet environment for rest. Some clinics may have partnerships with nearby hotels or serviced apartments.

    Communication

    Ensure you have a reliable way to communicate with your clinic, such as a local SIM card or international roaming. Many clinics use messaging apps for quick updates.

    Privacy

    If privacy is a concern, you may want to avoid staying in a place where you might encounter other patients. Discuss your preferences with your clinic.

    Your Next Steps: A Checklist

    • Research clinics and shortlist those that meet your needs.
    • Schedule remote consultations with at least two clinics.
    • Ask detailed questions about timelines, costs, and support.
    • Gather your medical records and ensure your passport is valid.
    • Check visa requirements and arrange travel insurance.
    • Book accommodation with flexibility in mind.
    • Plan for the waiting period and potential return trip.
    • Prepare questions for your clinic about post-transfer follow-up.

    Planning a PGT-A IVF trip to Thailand involves many steps, but with careful preparation, you can focus on your treatment and recovery. Always confirm specific details with your chosen clinic and relevant authorities.

    Frequently asked questions

    How long do I need to stay in Thailand for a PGT-A IVF cycle?

    The required stay varies depending on your treatment plan and clinic protocols. Typically, you may need to be in Thailand for about 2-3 weeks for the stimulation, egg retrieval, and biopsy. However, since PGT-A results take additional time, you may choose to return home and come back later for a frozen embryo transfer. Your clinic will provide a personalized timeline.

    Can I go home during the waiting period for PGT-A results?

    Yes, many patients choose to return home while waiting for PGT-A results, as the embryos are frozen and the testing does not require your presence. You will need to return to Thailand for a frozen embryo transfer in a later cycle. Discuss your travel plans with your clinic to ensure proper coordination.

    What documents do I need to prepare for IVF treatment in Thailand?

    You will typically need a valid passport, medical records, and possibly a visa depending on your nationality. Your clinic will provide a list of required documents, which may include blood test results, genetic screening reports, and a letter from your referring physician. Always check with the clinic and Thai embassy for the most current requirements.

    How should I plan my accommodation for IVF treatment in Thailand?

    Choose accommodation that is comfortable and close to the clinic to minimize travel stress. Consider factors like access to pharmacies, a quiet environment, and kitchen facilities. Some clinics may offer recommendations or partnerships with nearby hotels. Book with flexibility in case your treatment timeline changes.

    What happens if my treatment timeline changes?

    IVF timelines can change due to your body's response to medications or other factors. It's important to have flexible travel plans, such as refundable flights and accommodation. Your clinic will keep you informed of any changes and help you adjust your schedule.

    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.