标签: genetic testing

  • Understanding PGT-A Accuracy in Thailand: What Patients Should Know

    PGT-A (preimplantation genetic testing for aneuploidy) is a screening method used during IVF to check embryos for an abnormal number of chromosomes. Many patients in Thailand consider PGT-A to increase the chance of a successful pregnancy, especially after repeated implantation failure or at an older maternal age. However, PGT-A is not a guarantee of a healthy baby, and its accuracy depends on several factors. This guide explains what PGT-A can and cannot tell you, how results are interpreted, and what to consider when choosing PGT-A in Thailand.

    What Is PGT-A and How Does It Work?

    PGT-A is a test performed on embryos created through IVF. A few cells are removed from the embryo (usually from the trophectoderm, which becomes the placenta) and analyzed for chromosomal abnormalities. The goal is to identify embryos with the correct number of chromosomes (euploid) versus those with missing or extra chromosomes (aneuploid). Transferring a euploid embryo may reduce the risk of miscarriage and increase the chance of implantation, but it does not guarantee pregnancy or a healthy child.

    How Accurate Is PGT-A?

    PGT-A is highly accurate in detecting chromosomal abnormalities in the sampled cells, but it is not 100% perfect. The accuracy can be affected by:

    • Mosaicism: Embryos may have a mix of normal and abnormal cells. A biopsy may not capture the true chromosomal status of the entire embryo.
    • Technical limitations: The testing method (e.g., next-generation sequencing) has a small error rate.
    • Embryo self-correction: Some embryos with abnormal cells may self-correct during development, leading to a false positive result (embryo labeled abnormal but could have developed normally).

    In Thailand, as elsewhere, the accuracy of PGT-A depends on the laboratory’s quality, the biopsy technique, and the genetic testing platform used. However, no specific accuracy rates can be provided without official data from Thai clinics.

    What Do PGT-A Results Mean?

    PGT-A results are typically reported as:

    • Euploid: Normal chromosome number – suitable for transfer.
    • Aneuploid: Abnormal chromosome number – generally not recommended for transfer.
    • Mosaic: Mixed cell population – may be considered for transfer in some cases, but with caution.
    • No result: The test failed to produce a result – may require re-biopsy or additional testing.

    It is important to understand that PGT-A does not test for all genetic disorders. It only screens for chromosomal abnormalities, not single-gene disorders (which require PGT-M) or structural rearrangements (which require PGT-SR).

    Factors That Can Affect PGT-A Accuracy in Thai Labs

    Several factors can influence the reliability of PGT-A results in Thailand:

    • Embryo biopsy timing: Biopsy is usually done on day 5 or 6 (blastocyst stage). Biopsy too early or too late may affect accuracy.
    • Number of cells biopsied: A sufficient number of cells is needed for reliable analysis.
    • Laboratory quality: The experience of the embryology team and the laboratory’s accreditation play a role.
    • Genetic testing platform: Different platforms have varying levels of sensitivity and specificity.
    • Embryo quality: Poor-quality embryos may have higher rates of mosaicism, affecting interpretation.

    When considering PGT-A in Thailand, ask the clinic about their laboratory protocols, quality control measures, and how they handle inconclusive or mosaic results.

    PGT-A vs. Other Genetic Tests

    PGT-A is often confused with other types of preimplantation genetic testing:

    • PGT-M (monogenic disorders): Tests for specific single-gene diseases, such as cystic fibrosis or thalassemia.
    • PGT-SR (structural rearrangements): Tests for chromosomal structural abnormalities, such as translocations.

    These tests are different from PGT-A and are used for different medical indications. Some patients may need more than one type of testing.

    Who Might Consider PGT-A?

    PGT-A is not recommended for everyone. It may be considered in cases such as:

    • Advanced maternal age (usually over 35)
    • Previous miscarriage or implantation failure
    • Severe male factor infertility
    • Previous aneuploidy pregnancy

    However, the decision to use PGT-A should be made in consultation with a fertility specialist, considering individual circumstances and risks.

    Limitations and Risks of PGT-A

    PGT-A has limitations that patients should understand:

    • Not a guarantee: A euploid embryo may still fail to implant or result in miscarriage.
    • Biopsy risk: The biopsy procedure carries a small risk of damaging the embryo.
    • False positives/negatives: As mentioned, mosaicism and technical errors can lead to incorrect results.
    • Cost: PGT-A adds to the cost of IVF, and not all patients will benefit.

    It is essential to have realistic expectations and discuss the potential benefits and risks with your doctor.

    Questions to Ask Your Clinic in Thailand

    Before undergoing PGT-A in Thailand, consider asking:

    • What genetic testing platform do you use, and what is its accuracy rate?
    • How many cells are biopsied, and what is your success rate for obtaining a result?
    • How do you handle mosaic embryos?
    • What is your laboratory’s accreditation and quality control process?
    • How will PGT-A results be interpreted in my specific case?

    Next Steps

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

    1. Consult with a fertility specialist to determine if PGT-A is appropriate for you.
    2. Research clinics and their laboratory standards.
    3. Ask detailed questions about the testing process and result interpretation.
    4. Consider the financial implications and whether PGT-A is covered by any packages.

    For more information on PGT in Thailand, see our PGT in Thailand guide. You may also find our general guides and FAQ helpful.

    Frequently asked questions

    Is PGT-A 100% accurate?

    No, PGT-A is not 100% accurate. It can have false positives and false negatives due to mosaicism, technical limitations, and embryo self-correction. However, it is a reliable screening tool when performed in a quality laboratory.

    What is a false positive in PGT-A?

    A false positive occurs when PGT-A labels an embryo as abnormal (aneuploid) when it actually has the potential to develop into a healthy baby. This can happen due to mosaicism or technical errors.

    How accurate is PGT-A in Thailand?

    The accuracy of PGT-A in Thailand depends on the clinic's laboratory standards, biopsy technique, and testing platform. There is no single accuracy rate for the entire country. It is best to ask your specific clinic about their quality control and success rates.

    Can PGT-A results be wrong?

    Yes, PGT-A results can be wrong, though rarely. Mosaicism and technical errors can lead to incorrect results. This is why it is important to discuss the limitations with your doctor.

    Does PGT-A guarantee a healthy baby?

    No, PGT-A does not guarantee a healthy baby. It only screens for chromosomal abnormalities and does not detect all genetic disorders or birth defects. A euploid embryo may still fail to implant or miscarry.

    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.

  • IVF and Genetic Carrier Screening in Thailand: What to Know

    What Is Genetic Carrier Screening?

    Genetic carrier screening is a blood or saliva test that looks for changes (variants) in genes that can cause certain inherited conditions. If you carry a variant for a condition, you usually do not have the condition yourself, but you may pass the variant to your children. When both partners carry a variant in the same gene, there is a chance their child could inherit the condition.

    Carrier screening can be done before pregnancy or as part of your IVF planning. It is not a routine test for everyone, and it does not screen for all possible genetic conditions. The decision to have carrier screening is personal and should be made with the help of a genetic counselor or healthcare provider.

    At a Glance: Key Points

    • Carrier screening identifies genetic variants that may not affect you but could affect your children.
    • It is most informative when both partners are tested.
    • Results can help you understand reproductive options, including IVF with preimplantation genetic testing for monogenic disorders (PGT-M).
    • Carrier screening is not a guarantee of a healthy baby and does not replace other prenatal tests.
    • In Thailand, carrier screening is available in many fertility centers, but availability and panels vary.

    How Carrier Screening Relates to IVF and PGT-M

    If you are planning IVF, carrier screening results may influence your treatment plan. For example, if both partners are carriers for the same autosomal recessive condition, you may consider IVF with PGT-M. PGT-M is a technique used to test embryos for a specific genetic condition before transfer. It is not a routine add-on for all IVF patients; it is used when there is a known risk of passing on a particular genetic disorder.

    Carrier screening is not the same as PGT-A (preimplantation genetic testing for aneuploidy), which screens embryos for chromosomal abnormalities. PGT-M is targeted to a specific gene, while PGT-A looks at chromosome number. Some patients may have both types of testing, but the decision depends on your medical history and reproductive goals.

    What Does Carrier Screening Test For?

    Carrier screening panels vary. Some test for a few common conditions, while expanded panels may screen for hundreds of conditions. In Thailand, the specific panel offered will depend on the laboratory and clinic. Common conditions screened include cystic fibrosis, spinal muscular atrophy, thalassemia, and others, but the exact list varies.

    It is important to ask your clinic which conditions are included in the panel and whether it is tailored to your ethnic background. Some genetic conditions are more common in certain populations, and a genetic counselor can help you understand which panel may be most relevant for you.

    What Do Results Mean?

    Carrier screening results can be positive, negative, or inconclusive. A positive result means you carry a variant for a condition, but it does not mean you have the condition. A negative result reduces the likelihood that you are a carrier for the conditions tested, but it does not eliminate all risk. Inconclusive results are rare but may require further testing.

    If both partners are carriers for the same condition, the chance of having an affected child is 25% with each pregnancy. This is a statistical chance, not a certainty. A genetic counselor can explain your specific results and what they mean for your family planning.

    Carrier Screening in Thailand: What to Consider

    If you are considering carrier screening in Thailand, here are some points to discuss with your clinic:

    • Which genetic conditions are included in the screening panel?
    • Is the test performed in Thailand or sent to an overseas laboratory?
    • How long will it take to receive results?
    • Will a genetic counselor be available to explain the results?
    • How do results affect your IVF treatment plan, if at all?

    Costs for carrier screening can vary widely, and insurance coverage may not apply. It is best to ask for a detailed quote and check whether the fee includes counseling.

    Questions to Ask Your Clinic

    • What type of carrier screening do you offer, and what conditions does it cover?
    • Do you recommend carrier screening for all IVF patients, or only for those with a family history?
    • If we both are carriers, what are our options for IVF and PGT-M?
    • Are there any limitations to the screening test?
    • Can we meet with a genetic counselor before and after testing?

    Next Steps: Your Checklist

    1. Discuss your family history and any known genetic conditions with your healthcare provider.
    2. Ask your fertility clinic about carrier screening options and whether they recommend it for you.
    3. If you decide to proceed, arrange for both partners to be tested.
    4. Plan to review results with a genetic counselor to understand your options.
    5. Consider how results may affect your IVF timeline and treatment decisions.

    Carrier screening is a personal choice. It can provide useful information, but it is not required for everyone. Always seek guidance from qualified professionals who can interpret your results in the context of your overall health and reproductive plans.

    Frequently asked questions

    Is genetic carrier screening necessary before IVF?

    Carrier screening is not necessary for everyone. It is recommended when there is a family history of a genetic condition, or when you want more information about your risks. Discuss with your doctor whether it is appropriate for you.

    What is the difference between carrier screening and PGT-M?

    Carrier screening tests parents to see if they carry a gene variant. PGT-M tests embryos for a specific genetic condition before transfer. Carrier screening can identify couples at risk, and PGT-M can help select embryos that do not have the condition.

    Can carrier screening be done in Thailand?

    Yes, many fertility clinics in Thailand offer carrier screening. The availability of specific panels may vary, so ask your clinic about the tests they provide.

    What if both partners are carriers for the same condition?

    If both partners are carriers for the same autosomal recessive condition, there is a 25% chance with each pregnancy that the child will be affected. You may consider IVF with PGT-M to test embryos for that condition. A genetic counselor can explain your options.

    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 in Thailand: What’s the Difference?

    Understanding PGT-A and PGT-M

    If you are exploring IVF in Thailand, you may come across terms like PGT-A and PGT-M. Both are advanced genetic tests performed on embryos before transfer, but they answer different questions. PGT-A (Preimplantation Genetic Testing for Aneuploidy) checks whether an embryo has the correct number of chromosomes. PGT-M (Preimplantation Genetic Testing for Monogenic disorders) looks for a specific inherited genetic condition, such as cystic fibrosis or thalassemia. In short, PGT-A is a general screen, while PGT-M is a targeted test for a known genetic risk.

    At a Glance: PGT-A vs PGT-M

    • PGT-A: Screens for chromosomal abnormalities (aneuploidy) that may affect implantation or lead to miscarriage.
    • PGT-M: Tests for a specific single-gene disorder that runs in the family.
    • PGT-SR: A related test for structural rearrangements like translocations.
    • Choice depends on your medical history: PGT-A is often considered for advanced maternal age or recurrent miscarriage; PGT-M is used when both partners are carriers of a genetic condition.

    What Does PGT-A Test For?

    PGT-A, formerly known as PGS, evaluates embryos for aneuploidy—having too many or too few chromosomes. Most embryos with aneuploidy fail to implant or result in miscarriage. By selecting embryos with the correct number of chromosomes, PGT-A may improve the chances of a successful pregnancy, especially for women over a certain age or those with recurrent implantation failure.

    PGT-A does not test for specific genetic diseases. It is a general screen that looks at all chromosomes. It can identify conditions like Down syndrome (trisomy 21) but cannot tell you if an embryo carries a gene for a single-gene disorder.

    What Does PGT-M Test For?

    PGT-M is used when there is a known genetic condition in the family. It requires prior genetic testing of the parents to identify the specific mutation. PGT-M then checks embryos for that exact mutation, allowing transfer of embryos that do not carry the disorder.

    PGT-M is often used for conditions like thalassemia, sickle cell anemia, cystic fibrosis, Huntington’s disease, and many others. It is also used for HLA matching (to create a sibling donor for an existing child with a condition like Fanconi anemia).

    PGT-SR: A Related Test

    PGT-SR (Preimplantation Genetic Testing for Structural Rearrangements) is used when one parent has a balanced translocation or other chromosomal rearrangement. This can cause embryos to have missing or extra chromosomal material, leading to miscarriage or birth defects. PGT-SR identifies embryos with normal or balanced chromosomes.

    How Are PGT-A and PGT-M Performed?

    Both tests require IVF. After eggs are fertilized, embryos are cultured for several days until they reach the blastocyst stage. A few cells are then biopsied from the trophectoderm (the part that becomes the placenta). The cells are sent to a genetics laboratory for analysis.

    PGT-A uses techniques like next-generation sequencing (NGS) to count chromosomes. PGT-M uses PCR or other methods to detect the specific mutation. In some cases, PGT-A and PGT-M can be performed simultaneously on the same biopsy.

    Which Test Is Right for You?

    The choice between PGT-A and PGT-M depends on your medical history and reproductive goals. Here are some typical scenarios:

    • PGT-A may be considered if: You are over a certain age (often 35 or older), have experienced recurrent miscarriage, have had repeated IVF failures, or have a history of chromosomal abnormalities in a previous pregnancy.
    • PGT-M may be considered if: You or your partner are carriers of a single-gene disorder, you have a family history of a genetic condition, or you have a child with a genetic disorder and wish to avoid passing it on.
    • PGT-SR may be considered if: You or your partner have a chromosomal rearrangement such as a translocation.

    It is important to note that PGT is not a guarantee of a successful pregnancy or a healthy baby. Even with PGT, there is a small risk of misdiagnosis, and not all embryos that appear normal will implant. PGT is not recommended for everyone; your fertility specialist can help you weigh the benefits and limitations.

    What Are the Limitations of PGT?

    PGT-A and PGT-M have limitations. PGT-A cannot detect all genetic abnormalities, such as microdeletions or uniparental disomy. PGT-M is highly accurate but requires prior genetic testing of the parents. Both tests involve embryo biopsy, which carries a small risk of damage, though this is rare. Additionally, PGT does not eliminate the risk of miscarriage or birth defects entirely.

    Cost Considerations in Thailand

    The cost of PGT in Thailand varies depending on the clinic, the number of embryos tested, and whether you need PGT-A, PGT-M, or both. PGT-M is generally more expensive than PGT-A because it requires developing a customized test for your specific mutation. Costs may also include genetic counseling, biopsy, and laboratory fees. It is essential to ask your clinic for a detailed breakdown of costs and what is included.

    Questions to Ask Your Clinic

    Before deciding on PGT, consider asking your fertility specialist or clinic:

    • What is the difference between PGT-A and PGT-M in your practice?
    • Which test do you recommend for my situation, and why?
    • What is the accuracy rate of your genetic testing?
    • How many embryos typically survive the biopsy and testing process?
    • What are the costs for PGT-A, PGT-M, and combined testing?
    • How long does it take to receive results?
    • Are there any additional tests or counseling required?

    Next Steps

    If you are considering PGT in Thailand, start by consulting with a fertility specialist who can review your medical history and recommend the appropriate testing. You may also want to speak with a genetic counselor to understand your risks and options. Once you have a clear picture, you can compare clinics and their PGT services.

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

    Frequently asked questions

    Can PGT-A and PGT-M be done together?

    Yes, in many cases PGT-A and PGT-M can be performed on the same embryo biopsy. This allows you to screen for chromosomal abnormalities and test for a specific genetic disorder simultaneously. However, not all clinics offer combined testing, so you should confirm with your clinic.

    Is PGT-M only for single gene disorders?

    PGT-M is primarily used for single-gene disorders (monogenic conditions) such as cystic fibrosis, thalassemia, and Huntington's disease. It can also be used for HLA matching in certain situations. For chromosomal structural issues, PGT-SR is more appropriate.

    How long does PGT testing take in Thailand?

    The time for PGT results can vary by clinic and the type of test. Typically, PGT-A results may take a few days to a week, while PGT-M may take longer because a customized test needs to be developed. Your clinic will provide a specific timeline.

    Does PGT guarantee a healthy baby?

    No, PGT does not guarantee a successful pregnancy or a healthy baby. It reduces the risk of transferring embryos with certain genetic abnormalities, but there is still a small chance of misdiagnosis, and other factors can affect pregnancy outcomes.

    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 Handle a Failed PGT-A Cycle in Thailand

    Receiving news that no embryos passed PGT-A screening can be disappointing and confusing. You may wonder what went wrong, whether you have options, and how to move forward. This guide explains what a failed PGT-A cycle means, how to review your results with your doctor, and what questions to ask when planning your next steps. It is not medical advice—always consult your fertility specialist for personalized guidance.

    Understanding PGT-A Results

    PGT-A (preimplantation genetic testing for aneuploidy) screens embryos for chromosomal abnormalities. Embryos with the correct number of chromosomes are considered euploid, while those with missing or extra chromosomes are aneuploid. A failed PGT-A cycle typically means that none of the embryos tested were euploid, so there were no embryos suitable for transfer.

    This outcome can happen for various reasons, including maternal age, embryo development patterns, or chance. It does not necessarily mean you cannot conceive, but it does indicate that your current cycle did not produce a transferable embryo.

    First Steps After a Failed PGT-A Cycle

    After receiving your results, take time to process the news. Then, schedule a follow-up appointment with your fertility clinic to discuss the outcome in detail. During this meeting, you can review your cycle data, ask questions, and explore options for future attempts.

    Reviewing Your Cycle Data

    Ask your doctor to explain the number of eggs retrieved, how many fertilized, how many developed to the blastocyst stage, and how many were biopsied. Understanding these numbers can help identify where the drop-off occurred. For example, if few embryos reached the biopsy stage, the issue may be related to egg or sperm quality rather than the testing itself.

    Discussing Embryo Quality and Testing

    Your doctor may review the morphology (appearance) of the embryos and the results of the biopsy. Sometimes, embryos that look good under a microscope still have chromosomal abnormalities. Your doctor can explain whether any embryos were mosaic (a mix of normal and abnormal cells) and what that might mean for future cycles.

    Questions to Ask Your Doctor

    Prepare a list of questions for your follow-up appointment. Consider asking:

    • How many embryos were tested, and what were the specific results?
    • Were there any embryos that could be re-biopsied or re-tested?
    • What factors might have contributed to the aneuploidy?
    • Are there any additional tests you recommend for me or my partner?
    • What changes could we make in a future cycle to improve outcomes?

    These questions can help you understand your situation and feel more informed about your options.

    Exploring Alternative Testing Options

    If you had a failed PGT-A cycle, you might wonder if other types of genetic testing could be helpful. PGT-M (for monogenic disorders) and PGT-SR (for structural rearrangements) are used for specific genetic conditions, not for general aneuploidy screening. Your doctor can explain whether these tests are relevant to your situation.

    In some cases, your clinic may suggest additional testing on the embryos, such as re-biopsy or extended culture, but these options depend on the embryos’ viability and your clinic’s protocols. Always ask about the risks and benefits of any additional testing.

    Considering Next Steps

    After a failed PGT-A cycle, you have several potential paths forward. Your doctor can help you weigh the pros and cons based on your medical history and goals.

    Planning a New Cycle

    You may choose to undergo another IVF cycle with PGT-A. Your doctor might adjust your medication protocol, add supplements, or recommend lifestyle changes to improve egg or sperm quality. It is important to discuss the timing—some clinics recommend waiting a cycle or two to allow your body to recover.

    Exploring Donor Options

    If repeated cycles produce no euploid embryos, you might consider using donor eggs or sperm. This is a personal decision that involves medical, emotional, and legal considerations. Your clinic can provide information about donor programs in Thailand, but you should verify the legal and logistical details directly with them.

    Considering Transfer of Untested Embryos

    Some patients choose to transfer an embryo without PGT-A testing, especially if they have few embryos. This option carries a higher risk of aneuploidy, but it may be appropriate for some individuals. Your doctor can explain the potential outcomes and help you make an informed choice.

    Emotional and Practical Support

    A failed PGT-A cycle can be emotionally challenging. It is normal to feel grief, frustration, or anxiety. Consider seeking support from a counselor who specializes in fertility issues, or joining a support group. Your clinic may have resources or referrals.

    Practically, you may need to consider the financial implications of another cycle. Costs for IVF and genetic testing in Thailand vary, so ask your clinic for a detailed breakdown of fees and what is included. You may also want to check with your insurance provider about coverage.

    Checklist for Your Follow-Up Appointment

    • Bring a list of questions and concerns.
    • Ask for a copy of your cycle summary and test results.
    • Discuss any lifestyle changes or supplements you are considering.
    • Clarify the timeline for starting a new cycle, if applicable.
    • Ask about the costs and what is included in a future cycle.

    Taking these steps can help you feel more in control and prepared for your next appointment.

    Moving Forward

    A failed PGT-A cycle is not the end of your fertility journey, but it is a significant hurdle. By reviewing your results with your doctor, asking the right questions, and exploring your options, you can make informed decisions about your next steps. Remember that every cycle is different, and your doctor can provide personalized guidance based on your unique situation.

    For more information about PGT in Thailand, visit our PGT in Thailand page. You can also browse our guides for additional resources, or check our FAQ for common questions.

    Frequently asked questions

    What does a failed PGT-A cycle mean?

    A failed PGT-A cycle means that none of the embryos tested were found to have the correct number of chromosomes (euploid), so there were no embryos suitable for transfer. This can happen for various reasons, including maternal age or embryo development issues.

    Can I re-test embryos after a failed PGT-A cycle?

    In some cases, embryos may be re-biopsied or re-tested, but this depends on the embryos' viability and your clinic's protocols. Ask your doctor if any of your embryos are suitable for additional testing.

    What are my options after a failed PGT-A cycle?

    Options may include starting a new IVF cycle with adjusted protocols, considering donor eggs or sperm, or transferring an untested embryo. Your doctor can help you weigh the pros and cons based on your medical history and goals.

    How long should I wait before trying again?

    The recommended waiting time varies by individual and clinic. Some doctors suggest waiting one or two menstrual cycles to allow your body to recover. Discuss the timing with your fertility specialist.

    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.

  • Understanding PGT-A Costs in Thailand: A Practical Guide

    If you are exploring IVF with preimplantation genetic testing for aneuploidy (PGT-A) in Thailand, one of the first questions is likely about cost. PGT-A adds a layer of genetic screening to IVF, and its price can vary widely depending on the clinic, the number of embryos tested, and what is included in the package. This guide explains the typical components of PGT-A pricing in Thailand, what to look for in a quote, and how to compare options without surprises.

    At a Glance: PGT-A Cost Considerations

    • PGT-A cost is usually separate from the base IVF cycle fee.
    • Pricing may be per embryo or per cycle, and often includes biopsy and genetic analysis.
    • Additional fees may apply for embryo freezing, shipping, or consultation.
    • Always ask for a detailed breakdown to understand what is and isn’t covered.

    What Is PGT-A and Why Does It Affect Cost?

    PGT-A is a genetic test performed on embryos created through IVF. It checks for the correct number of chromosomes, which can help identify embryos that may have a higher chance of implanting and developing. Because PGT-A requires specialized laboratory equipment and expertise, it adds to the overall cost of an IVF cycle.

    The cost of PGT-A in Thailand is not a fixed number. It depends on several factors, including the clinic’s pricing structure, the number of embryos biopsied, and whether the test is performed locally or sent to an external lab. Some clinics offer PGT-A as part of a package, while others charge it separately.

    Typical Components of PGT-A Pricing

    When you receive a quote for PGT-A, it may include several components. Understanding these can help you compare prices fairly.

    Embryo Biopsy

    This is the procedure where a few cells are removed from each embryo. The biopsy is performed by an embryologist and requires specialized equipment. Some clinics include this in the PGT-A fee, while others may charge it separately.

    Genetic Analysis

    The biopsied cells are sent to a genetics laboratory for analysis. This is the core of PGT-A testing. The cost may vary depending on the technology used (such as next-generation sequencing) and whether the lab is on-site or external.

    Embryo Freezing

    After biopsy, embryos are usually frozen while waiting for results. Freezing and storage fees may be separate or included in the package. If you need to store embryos for several months, this can add to the total cost.

    Consultation and Counseling

    Genetic counseling before and after testing is often recommended. Some clinics include this in the package, while others charge an additional fee.

    How PGT-A Cost Compares to Total IVF Cost

    PGT-A is an additional expense on top of the standard IVF cycle. The total cost of IVF in Thailand includes medications, monitoring, egg retrieval, and embryo transfer. PGT-A can represent a significant portion of the overall budget, but it is important to consider it as part of the full treatment plan.

    When comparing costs, ask for a comprehensive quote that includes both the IVF cycle and PGT-A. Some clinics offer package deals that bundle these services, which may be more cost-effective than paying separately.

    Questions to Ask When Comparing Quotes

    To get a clear picture of PGT-A costs, ask each clinic for a detailed breakdown. Here are key questions to include:

    • Is PGT-A priced per embryo or per cycle?
    • Does the quote include the embryo biopsy and genetic analysis?
    • Are embryo freezing and storage fees included?
    • Are there additional charges for shipping samples to an external lab?
    • What happens if no embryos are suitable for testing?
    • Are there any discounts for testing multiple embryos?
    • Is genetic counseling included?

    Understanding Package Deals

    Some clinics offer PGT-A as part of an IVF package. These packages may include a set number of embryos tested, or they may have a flat fee for the entire cycle. While packages can simplify budgeting, they may not cover all scenarios. For example, if you have more embryos than the package includes, you may need to pay extra.

    Always read the fine print and ask what happens if you need additional testing or if the cycle is cancelled.

    Next Steps: Your Checklist

    1. Shortlist clinics that offer PGT-A and request a detailed quote.
    2. Compare the components included in each quote, not just the total price.
    3. Ask about additional fees for embryo storage, shipping, or repeat testing.
    4. Consider the clinic’s experience with PGT-A and the technology they use.
    5. Factor in the cost of medications and other IVF-related expenses.
    6. Plan for potential extra costs, such as genetic counseling or follow-up consultations.

    By asking the right questions and understanding what is included, you can make an informed decision about PGT-A in Thailand that fits your budget and needs.

    Frequently asked questions

    Is PGT-A cost in Thailand per embryo or per cycle?

    It varies by clinic. Some charge per embryo tested, while others offer a flat fee per cycle that covers a certain number of embryos. Always ask for the pricing structure to understand how you will be billed.

    What is usually included in a PGT-A quote?

    A typical quote may include the embryo biopsy, genetic analysis, and sometimes embryo freezing. However, some clinics charge these separately. Always request an itemized breakdown to see what is covered.

    Are there additional costs beyond the PGT-A fee?

    Yes, you may encounter extra costs such as embryo storage, shipping to an external lab, or genetic counseling. Ask about these potential fees upfront to avoid surprises.

    Can I negotiate PGT-A pricing with a clinic?

    Some clinics may offer package deals or discounts for testing multiple embryos. It is reasonable to ask if there are any flexible options, but be aware that pricing is often set based on laboratory costs.

    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.

  • Questions to Ask Before Starting PGT in Thailand

    If you are considering preimplantation genetic testing (PGT) as part of your IVF journey in Thailand, it is natural to have many questions. PGT can provide valuable information about embryos before transfer, but it is not a guarantee of pregnancy or a healthy child. This guide offers a practical checklist of questions to ask your clinic before starting PGT, helping you understand what the test can and cannot tell you.

    At a Glance: Key Questions to Ask

    • Which type of PGT is recommended for my situation, and why?
    • What are the limitations of PGT, and what can it not detect?
    • How many embryos might be lost during testing, and what is the risk of no embryo being suitable for transfer?
    • What are the costs involved, and what is included in the quoted price?
    • How will results be explained, and what support is available for decision-making?

    Understanding PGT: Types and Purpose

    PGT is a set of techniques used to screen embryos for genetic abnormalities before implantation. There are three main types:

    • PGT-A (Aneuploidy Screening): Checks for the correct number of chromosomes. Aneuploidy (missing or extra chromosomes) is a common cause of implantation failure and miscarriage.
    • PGT-M (Monogenic Disorders): Tests for specific single-gene disorders, such as cystic fibrosis or sickle cell anemia, when one or both parents carry a known mutation.
    • PGT-SR (Structural Rearrangements): Detects structural changes in chromosomes, such as translocations or inversions, which can affect embryo development.

    Your clinic will recommend a specific type based on your medical history, age, and genetic risk factors. It is important to understand that PGT is not a routine test for everyone; it is typically offered when there is a medical indication.

    Questions About Test Type and Suitability

    Before starting PGT, clarify which test is appropriate for you and why. Ask:

    • Which type of PGT do you recommend for my situation, and what is the medical rationale?
    • Are there any alternatives to PGT that I should consider?
    • How does my age or medical history influence the recommendation?
    • Is PGT mandatory for my treatment, or is it optional?

    Understanding the purpose of the test helps you make an informed choice. For example, PGT-A is often used to improve the chances of a successful transfer, but it does not guarantee a live birth.

    Questions About Limitations and What PGT Cannot Tell You

    PGT has limitations. It cannot detect all genetic conditions, and a normal result does not guarantee a healthy baby. Ask your clinic:

    • What conditions can this test detect, and what conditions are not covered?
    • What is the accuracy rate of the test, and are there risks of false positives or false negatives?
    • Can PGT identify all chromosomal abnormalities, or only certain ones?
    • Does a normal PGT result guarantee a successful pregnancy or a healthy child?

    It is essential to have realistic expectations. PGT is a screening tool, not a guarantee.

    Questions About Embryo Loss and Testing Risks

    PGT involves removing a few cells from the embryo, which carries a small risk of damage. Additionally, not all embryos will be suitable for testing or transfer. Ask:

    • How many embryos typically survive the biopsy process?
    • What is the risk that no embryo will be suitable for transfer after testing?
    • How does the clinic handle embryos that are abnormal or inconclusive?
    • Are there any risks to the embryo from the biopsy procedure?

    Understanding these risks helps you prepare emotionally and financially for the possibility that you may not have a transferable embryo.

    Questions About Costs and Financial Planning

    PGT adds to the overall cost of IVF. Costs can vary widely depending on the type of test, the number of embryos, and the clinic. Ask for a detailed breakdown:

    • What is the total cost of PGT, and what does it include (e.g., biopsy, laboratory fees, genetic counseling)?
    • Are there additional costs for each embryo tested, or is it a flat fee?
    • What happens if the test needs to be repeated or if results are inconclusive?
    • Are there any payment plans or packages available?

    Be sure to get all cost information in writing and clarify what is not included, such as medications or additional consultations.

    Questions About the Testing Process and Timeline

    Understanding the process helps you plan. Ask:

    • How long does the PGT process take, and how will it affect my IVF timeline?
    • When will I receive the results, and how will they be communicated?
    • Will I need to have a frozen embryo transfer (FET) after PGT, or can fresh transfer be done?
    • How many embryos are typically needed to proceed with PGT?

    PGT usually requires a frozen transfer because the biopsy and testing take time. Your clinic will guide you through the schedule.

    Questions About Results and Decision-Making

    Interpreting PGT results can be complex. Ask how your clinic supports you:

    • How will the results be explained to me, and will I have a genetic counseling session?
    • What are my options if the results show abnormalities?
    • Can I choose which embryos to transfer, and what is the clinic’s policy on transferring mosaic embryos (embryos with a mix of normal and abnormal cells)?
    • What support is available for emotional or ethical decisions?

    Your clinic should provide clear, non-directive counseling to help you make decisions that align with your values.

    Next Steps: Your Pre-Test Checklist

    Before you start PGT in Thailand, take these steps:

    1. Gather your medical records, including any genetic test results.
    2. Prepare a list of questions from this guide and bring it to your consultation.
    3. Ask for a written cost estimate and a clear explanation of the testing process.
    4. Consider seeking independent genetic counseling to fully understand the implications.
    5. Take time to reflect on your personal and family goals before making decisions.

    Remember, PGT is a personal choice. It can provide valuable information, but it is not right for everyone. Your clinic should help you weigh the benefits and limitations based on your unique situation.

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

    Frequently asked questions

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

    PGT-A screens for an abnormal number of chromosomes (aneuploidy), PGT-M tests for specific single-gene disorders, and PGT-SR detects structural changes in chromosomes. Your clinic will recommend the appropriate type based on your medical history and genetic risk.

    Does PGT guarantee a healthy baby?

    No. PGT can reduce the risk of transferring embryos with certain genetic abnormalities, but it cannot guarantee a successful pregnancy or a healthy child. It is a screening tool with limitations.

    How much does PGT cost in Thailand?

    Costs vary by clinic, type of test, and number of embryos. It is important to ask for a detailed breakdown of what is included and any additional fees. Confirm all costs in writing before starting.

    What is the risk of embryo loss during PGT?

    The biopsy procedure carries a small risk of embryo damage, and not all embryos may survive the testing process. Additionally, some embryos may be abnormal and not suitable for transfer. Your clinic can provide specific data based on their experience.

    Can I choose which embryos to transfer after PGT?

    Yes, in most cases you can decide which embryos to transfer, but policies may vary regarding mosaic embryos. Discuss your options and the clinic's policy during your consultation.

    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-M vs PGT-A for Single Gene Disorders in Thailand

    Understanding PGT-M and PGT-A

    If you and your partner carry a known genetic condition, you may be exploring IVF with preimplantation genetic testing (PGT). Two common types are PGT-M (for monogenic disorders) and PGT-A (for aneuploidy). While both involve testing embryos before transfer, they answer different questions. PGT-M looks for a specific inherited condition, while PGT-A checks for the correct number of chromosomes. This article explains the difference in purpose, process, and prerequisites, and why PGT-M is not a substitute for PGT-A.

    At a Glance

    • PGT-M: Tests for a specific single-gene disorder (e.g., cystic fibrosis, thalassemia). Requires prior genetic workup.
    • PGT-A: Screens for chromosomal abnormalities (aneuploidy) that can affect implantation or lead to miscarriage.
    • PGT-SR: For structural rearrangements like translocations; sometimes grouped with PGT-A.
    • Not interchangeable: PGT-M does not replace PGT-A, and vice versa.

    What Is PGT-M?

    PGT-M (preimplantation genetic testing for monogenic disorders) is used when one or both partners carry a known genetic mutation for a single-gene condition. The test identifies embryos that have inherited the disorder, allowing transfer of unaffected embryos. It is a targeted test: it looks for the specific mutation(s) you carry.

    Prerequisites for PGT-M

    PGT-M requires a prior genetic workup. This typically includes genetic testing of the parents to identify the exact mutation, and often testing of other family members to establish a genetic link. The IVF clinic and genetic laboratory need this information to design a personalized test for your embryos. Without this workup, PGT-M cannot be performed.

    What Is PGT-A?

    PGT-A (preimplantation genetic testing for aneuploidy) screens embryos for the correct number of chromosomes. Aneuploidy—having too many or too few chromosomes—is a common cause of implantation failure and miscarriage. PGT-A is not targeted to a specific disease; it is a general screen for chromosomal abnormalities.

    When Is PGT-A Used?

    PGT-A is often recommended for women of advanced maternal age, couples with recurrent miscarriage, or previous failed IVF cycles. However, it can be used in any IVF cycle. It does not require prior genetic testing of the parents.

    Key Differences at a Glance

    Aspect PGT-M PGT-A
    Purpose Detect a specific single-gene disorder Screen for chromosomal abnormalities
    Target Specific mutation(s) in the family All chromosomes (or a subset)
    Prerequisite Prior genetic workup of parents None (but may be combined with PGT-M)
    Result Embryo affected/unaffected for the condition Embryo euploid/aneuploid
    Use Couples with known genetic conditions General screening, often for age-related risk

    Why PGT-M Is Not a Substitute for PGT-A

    PGT-M and PGT-A are complementary, not interchangeable. PGT-M only looks at the specific mutation you carry; it does not check for other chromosomal abnormalities. An embryo that is unaffected for your genetic condition could still have aneuploidy, which may lead to implantation failure or miscarriage. Conversely, PGT-A does not tell you whether an embryo carries a specific genetic disorder. Some couples may choose to have both tests performed on the same embryo biopsy.

    What About PGT-SR?

    PGT-SR (preimplantation genetic testing for structural rearrangements) is used when a parent has a chromosomal rearrangement, such as a translocation. It identifies embryos with unbalanced chromosomes. In some classifications, PGT-SR is grouped under PGT-A, but it is a distinct test. If you have a known translocation, your clinic may recommend PGT-SR.

    Process Overview

    Both PGT-M and PGT-A involve the same basic IVF steps: ovarian stimulation, egg retrieval, fertilization, embryo culture, and biopsy. The biopsy is typically performed on day 5 or day 6 embryos (blastocyst stage), removing a few cells from the trophectoderm (future placenta). The cells are then sent to a genetic laboratory for analysis. The main difference is the type of genetic test performed on the biopsied cells.

    Limitations and Considerations

    No genetic test can guarantee a healthy baby. PGT-M and PGT-A are screening tools that reduce the risk of transferring an affected embryo, but they have limitations:

    • Mosaicism: Embryos may have a mix of normal and abnormal cells, which can complicate results.
    • Technical errors: Although rare, laboratory errors can occur.
    • Not all conditions: PGT-M is only available for specific single-gene disorders; it cannot test for all genetic conditions.
    • Cost and time: PGT adds cost and time to an IVF cycle, and not all clinics offer the same testing platforms.

    It is important to discuss the limitations with your clinic and genetic counselor.

    Questions to Ask Your Clinic

    • What type of PGT do you recommend for our situation, and why?
    • Do you offer PGT-M and PGT-A, and can they be combined?
    • What genetic workup is required before PGT-M?
    • How long does the testing take, and how does it affect the IVF timeline?
    • What are the costs for PGT-M and PGT-A, and are they separate?
    • How are mosaic embryos handled?

    Next Steps

    1. Confirm your genetic diagnosis and whether PGT-M is applicable.
    2. Consult with an IVF clinic in Thailand that offers PGT services.
    3. Undergo the required genetic workup with a qualified genetic counselor.
    4. Discuss whether PGT-A should be added to your cycle.
    5. Review the clinic’s laboratory accreditation and success rates (ask for their own data).

    For more information, see our PGT in Thailand guide, explore our guides, or check the FAQ.

    Frequently asked questions

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

    Yes, in many cases both tests can be performed on the same embryo biopsy. The biopsied cells are split, and separate analyses are run for the specific mutation (PGT-M) and chromosomal status (PGT-A). However, this depends on the laboratory's capabilities and the quality of the biopsy. Discuss with your clinic whether combined testing is available.

    Do I need genetic testing before PGT-M?

    Yes, PGT-M requires prior genetic testing of the parents to identify the exact mutation. This is often done through a blood or saliva sample. The laboratory needs this information to design a personalized test for your embryos. Without this workup, PGT-M cannot be performed.

    Is PGT-M more expensive than PGT-A?

    PGT-M is generally more expensive than PGT-A because it requires a personalized test design and often involves additional workup. However, costs vary by clinic and the specific genetic condition. You should ask your clinic for a detailed breakdown of costs for each test.

    Does PGT-M guarantee a baby without the genetic condition?

    No, PGT-M is highly accurate but not 100% guaranteed. There is a small risk of misdiagnosis due to technical limitations or mosaicism. It is important to discuss the accuracy and limitations with your clinic and consider confirmatory prenatal testing if desired.

    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 Interpret PGT-A Results: Euploid, Aneuploid, and Mosaic Embryos

    If you have recently received PGT-A results, you may be looking at terms like euploid, aneuploid, and mosaic and wondering what they mean for your IVF journey. This guide explains these results in plain language and helps you prepare questions for your medical team. Remember, only a qualified medical professional can interpret your specific results and advise on transfer decisions.

    At a glance: key terms

    • Euploid: The embryo has the expected number of chromosomes (46 in humans) and is considered chromosomally normal.
    • Aneuploid: The embryo has missing or extra chromosomes, which often leads to implantation failure or miscarriage.
    • Mosaic: The embryo has a mix of cells with normal and abnormal chromosomes. The clinical significance can vary.

    What is PGT-A?

    Preimplantation Genetic Testing for Aneuploidy (PGT-A) is a test that screens embryos created through IVF for chromosomal abnormalities. It is not a guarantee of a healthy baby, but it can help your clinic choose which embryo to transfer first. PGT-A is optional and may not be recommended for everyone. Your doctor will discuss whether it is appropriate for your situation.

    Understanding euploid results

    A euploid result means the embryo has the typical number of chromosomes. This is often considered a positive sign, but it does not guarantee implantation, pregnancy, or a healthy child. Other factors, such as embryo quality and maternal age, also play a role. Your clinic will use this information along with other criteria to decide which embryo to transfer.

    Understanding aneuploid results

    An aneuploid result means the embryo has an abnormal number of chromosomes. This can be a missing or extra chromosome. Most aneuploid embryos will not implant or will miscarry. However, some chromosomal abnormalities can result in a live birth with health issues. Your clinic will likely advise against transferring an aneuploid embryo, but the final decision is yours after thorough counseling.

    Understanding mosaic results

    A mosaic embryo has a mixture of cells: some with normal chromosomes and some with abnormal ones. The percentage of abnormal cells can vary. Mosaic results are more complex to interpret. Some studies suggest that mosaic embryos may have a chance of developing into a healthy baby, but the risk of chromosomal problems is higher than with euploid embryos. Your clinic may recommend additional testing or counseling to help you decide.

    Questions to ask your clinic

    When you receive your PGT-A results, consider asking your medical team these questions:

    • What exactly does my result mean in my specific case?
    • What is the likelihood of implantation and live birth with this embryo?
    • Are there any additional tests or consultations recommended?
    • What are the risks and benefits of transferring a mosaic embryo?
    • How does this result affect my overall treatment plan?

    Next steps after receiving results

    After you receive your PGT-A results, you will likely have a follow-up appointment with your doctor. Use this time to discuss your options and ask any questions. You may also want to seek genetic counseling to fully understand the implications. Remember, the decision to transfer an embryo is yours, but it should be made with the guidance of your medical team.

    Additional resources

    For more information about PGT in Thailand, visit our PGT in Thailand page. You can also explore our guides and check the FAQ for common questions.

    Frequently asked questions

    What does a euploid embryo mean?

    A euploid embryo has the expected number of chromosomes (46 in humans). It is considered chromosomally normal, but it does not guarantee a successful pregnancy.

    Can a mosaic embryo result in a healthy baby?

    Some mosaic embryos may lead to a healthy baby, but the risk of chromosomal abnormalities is higher than with euploid embryos. Your clinic can provide more specific guidance based on the percentage of abnormal cells.

    Should I transfer an aneuploid embryo?

    Most aneuploid embryos will not implant or will miscarry. Transferring an aneuploid embryo is generally not recommended, but your doctor will discuss your specific situation and options.

    Is PGT-A mandatory for IVF?

    No, PGT-A is optional. Your doctor may recommend it based on your age, medical history, or previous IVF outcomes, but it is not required for all patients.

    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 Compare PGT-A vs PGT-M vs PGT-SR for Your Situation

    What Are PGT-A, PGT-M, and PGT-SR?

    Preimplantation genetic testing (PGT) is a set of tests performed on embryos created through IVF before transfer. Each test answers a different question about the embryo’s genetic makeup. Understanding the purpose of each can help you have a more informed conversation with your fertility team.

    • PGT-A (aneuploidy screening) checks for the correct number of chromosomes. Embryos with too many or too few chromosomes are called aneuploid and often fail to implant or miscarry.
    • PGT-M (monogenic testing) looks for a specific inherited condition caused by a single gene, such as cystic fibrosis or sickle cell disease. It is used when one or both partners carry a known genetic mutation.
    • PGT-SR (structural rearrangement testing) detects structural changes in chromosomes, such as inversions or translocations, that can lead to unbalanced chromosomes in embryos.

    These tests are not routine for everyone. They are typically offered based on medical history, age, or specific genetic risks. Your clinic will recommend which test, if any, is appropriate for your situation.

    At a Glance: Key Differences

    • Purpose: PGT-A screens for chromosomal number errors; PGT-M targets a specific gene mutation; PGT-SR checks for chromosomal structural changes.
    • Who it’s for: PGT-A is often considered for women of advanced maternal age or those with recurrent miscarriage; PGT-M is for couples with a known genetic condition; PGT-SR is for carriers of balanced structural rearrangements.
    • What it requires: All require IVF and embryo biopsy. PGT-M and PGT-SR often require a prior genetic workup of the parents.
    • Result interpretation: PGT-A gives a result of euploid (normal), aneuploid (abnormal), or mosaic (mixed). PGT-M and PGT-SR report whether the embryo carries the specific mutation or unbalanced rearrangement.

    When Is Each Test Typically Recommended?

    PGT-A

    PGT-A is often discussed for patients who are older, have had repeated implantation failure, or have experienced recurrent pregnancy loss. It can also be considered for couples who want to reduce the chance of transferring an embryo with a chromosomal abnormality. However, PGT-A does not guarantee a pregnancy or a healthy baby, and its benefit may vary by age and history.

    PGT-M

    PGT-M is used when one or both partners are known carriers of a single-gene disorder. Before starting, the specific mutation must be identified, and a genetic test must be developed for that family. This process can take time and requires genetic counseling.

    PGT-SR

    PGT-SR is recommended when a partner carries a balanced structural rearrangement, such as a translocation or inversion. These rearrangements may not affect the carrier’s health but can lead to unbalanced chromosomes in embryos, increasing the risk of miscarriage or birth defects.

    How the Testing Process Works

    All PGT tests follow a similar process:

    1. IVF cycle: You undergo ovarian stimulation and egg retrieval, and embryos are created in the lab.
    2. Biopsy: A few cells are removed from each embryo, usually on day 5 or 6 of development.
    3. Genetic analysis: The cells are sent to a genetics laboratory for testing. The type of test depends on what you and your clinic have decided.
    4. Transfer: Embryos that are considered suitable for transfer are selected based on the test results and other criteria.

    The biopsy is a delicate procedure, and not all embryos survive it. Your clinic will explain the risks and benefits in your specific case.

    What Do the Results Mean?

    Results are not always black and white. For PGT-A, an embryo may be reported as:

    • Euploid: normal number of chromosomes.
    • Aneuploid: abnormal number.
    • Mosaic: a mix of normal and abnormal cells.

    For PGT-M and PGT-SR, results indicate whether the embryo carries the specific genetic change tested. However, these tests do not detect all genetic conditions, and they cannot guarantee the health of a child.

    Limitations and Considerations

    PGT is a screening tool, not a guarantee. It does not eliminate the risk of miscarriage or birth defects, and it does not test for every possible genetic condition. Additionally, the accuracy of the test depends on the laboratory and the number of cells biopsied. There is also a small chance of no result or an inconclusive result.

    PGT adds cost and time to an IVF cycle. It also requires a skilled laboratory and experienced team. Discuss with your clinic about the specific technology they use and their success rates with PGT.

    Questions to Ask Your Clinic or Genetic Counselor

    • Which PGT test do you recommend for my situation, and why?
    • What is the process for developing a test for PGT-M or PGT-SR, and how long does it take?
    • What are the risks of embryo biopsy?
    • How are mosaic embryos handled in your clinic?
    • What is the accuracy of the test, and what are the limitations?
    • What are the costs involved, and are there any additional fees for genetic counseling?
    • How many embryos typically reach the biopsy stage?

    Next Steps: Making an Informed Decision

    Choosing whether to use PGT is a personal decision. Start by gathering information about your own genetic history and fertility situation. Then, schedule a consultation with a fertility specialist and a genetic counselor. They can help you understand the risks, benefits, and alternatives.

    Remember that PGT is not mandatory for everyone. Some couples may choose not to test, and that is a valid option. The goal is to make a decision that aligns with your values and medical needs.

    For more general information about PGT in Thailand, see our PGT in Thailand guide. You may also find our guides and FAQ sections helpful.

    Frequently asked questions

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

    Yes, in some cases, multiple tests can be performed on the same embryo biopsy. For example, if a couple is doing PGT-M for a single-gene disorder, they may also opt for PGT-A to screen for chromosomal abnormalities. However, this depends on the laboratory's capabilities and the embryo's quality. Your clinic can advise whether combined testing is feasible for your situation.

    Is PGT-A recommended for all IVF patients?

    No, PGT-A is not recommended for everyone. It is often considered for patients of advanced maternal age, those with recurrent implantation failure, or recurrent pregnancy loss. However, its benefit may be limited for younger patients with no known fertility issues. Your doctor will discuss whether PGT-A is appropriate based on your individual circumstances.

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

    PGT-M tests for a specific single-gene disorder, such as cystic fibrosis or Huntington's disease, when the parents are known carriers. PGT-SR tests for structural changes in chromosomes, like translocations or inversions, that can cause unbalanced chromosomes in embryos. Both require prior genetic testing of the parents to develop the test.

    How long does PGT testing take?

    The time can vary. After embryo biopsy, results may take anywhere from a few days to a few weeks, depending on the type of test and the laboratory. PGT-M and PGT-SR often require additional time for test development before the IVF cycle even starts. Your clinic will provide a timeline based on your specific plan.

    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.

  • Understanding the Risks of IVF and PGT in Thailand: A Balanced Overview

    In vitro fertilization (IVF) and preimplantation genetic testing (PGT) are powerful tools that help many people build their families. However, like any medical procedure, they come with potential risks and limitations. If you are considering treatment in Thailand, understanding these risks can help you make an informed decision and prepare for the journey ahead. This guide offers a balanced overview of the common risks associated with IVF and PGT, and encourages you to discuss your specific situation with a qualified fertility specialist.

    At a Glance: Key Risks to Consider

    • Physical side effects from fertility medications and egg retrieval.
    • Emotional and financial stress from the treatment cycle.
    • Laboratory risks such as errors in handling embryos or genetic testing.
    • Uncertainty in test results – PGT is not 100% accurate.
    • Ethical and legal considerations that vary by country and clinic.

    Understanding IVF Risks

    IVF involves ovarian stimulation, egg retrieval, fertilization in the lab, and embryo transfer. Each step carries its own set of risks.

    Ovarian Hyperstimulation Syndrome (OHSS)

    Fertility medications stimulate the ovaries to produce multiple eggs. In some cases, this can lead to ovarian hyperstimulation syndrome (OHSS), where the ovaries become swollen and painful. Symptoms range from mild bloating to severe abdominal pain, nausea, and shortness of breath. Severe OHSS is rare but can require hospitalization. Your doctor will monitor your hormone levels and ultrasound during stimulation to reduce the risk.

    Side Effects of Fertility Medications

    Common side effects of injectable hormones include hot flashes, headaches, mood swings, and breast tenderness. These are usually temporary and resolve after the cycle. Some women may experience allergic reactions or injection site pain.

    Egg Retrieval Procedure Risks

    Egg retrieval is a minor surgical procedure performed under sedation. Risks include bleeding, infection, and damage to surrounding organs (such as the bladder or bowel), though these are rare. You may experience cramping or spotting after the procedure.

    Embryo Transfer Risks

    The embryo transfer itself is usually painless, but there is a small risk of infection or cramping. In rare cases, the embryo may implant outside the uterus (ectopic pregnancy), which is a medical emergency.

    Multiple Pregnancy

    Transferring more than one embryo increases the chance of twins or higher-order multiples, which carries higher risks for both mother and babies, including preterm birth and low birth weight. Many clinics now recommend single embryo transfer (SET) to reduce these risks.

    Understanding PGT Risks and Limitations

    Preimplantation genetic testing (PGT) is performed on embryos before transfer to screen for genetic abnormalities. There are different types: PGT-A (aneuploidy screening), PGT-M (monogenic disorders), and PGT-SR (structural rearrangements). While PGT can provide valuable information, it is not perfect.

    Laboratory Errors and Biopsy Risks

    PGT requires a biopsy of a few cells from the embryo. This process can damage the embryo, although the risk is low. There is also a possibility of laboratory errors, such as contamination or mislabeling, which could lead to incorrect results. Reputable labs follow strict protocols to minimize these risks, but they cannot be completely eliminated.

    Mosaicism and Inconclusive Results

    Embryos can be mosaic, meaning they have a mix of normal and abnormal cells. PGT may report a mosaic result, which is often inconclusive. Additionally, sometimes the test fails to produce a result, requiring a re-biopsy or leaving the embryo untested. This uncertainty can be emotionally challenging.

    False Positives and False Negatives

    PGT is highly accurate but not 100%. A false positive means the test indicates an abnormality when the embryo is actually normal, leading to the embryo being discarded unnecessarily. A false negative means the test misses an abnormality, and the embryo may be transferred with a genetic issue. The risk is small but real.

    Ethical and Legal Considerations

    PGT raises ethical questions, especially regarding the selection of embryos for traits unrelated to medical conditions. In Thailand, the legal framework for PGT may differ from your home country. It is essential to understand the regulations and ensure the clinic follows ethical guidelines.

    Emotional and Financial Considerations

    IVF and PGT can be emotionally and financially demanding. The process involves multiple appointments, procedures, and waiting periods. The uncertainty of outcomes can cause stress and anxiety. It is important to have a support system and consider counseling. Financially, costs can add up, and not all cycles result in a live birth. Make sure you understand the full cost structure, including medications, lab fees, and any additional procedures.

    Questions to Ask Your Clinic

    Before starting treatment, ask your clinic specific questions to understand their approach and your risks:

    • What is your policy on single embryo transfer?
    • How do you monitor for OHSS, and what is your protocol if it occurs?
    • What is your lab’s accreditation and quality control process?
    • How do you handle inconclusive or mosaic PGT results?
    • What are the success rates for your clinic, and how are they calculated?
    • What support services do you offer for emotional and financial counseling?

    Next Steps: Making an Informed Decision

    To move forward with confidence, consider these steps:

    1. Research clinics in Thailand that are transparent about their procedures and outcomes.
    2. Schedule consultations with at least two clinics to compare approaches.
    3. Ask for a detailed breakdown of costs and what is included.
    4. Discuss your medical history and any specific risks with the fertility specialist.
    5. Seek independent advice from a genetic counselor if you are considering PGT.

    Remember, every individual’s situation is unique. The risks and benefits of IVF and PGT should be weighed carefully with your medical team. For more information, explore our PGT in Thailand guide, visit our guides section, or check our FAQ for common questions.

    Frequently asked questions

    What is the most common risk of IVF?

    The most common risk is ovarian hyperstimulation syndrome (OHSS), which can cause bloating, pain, and in severe cases, hospitalization. Your doctor will monitor you to reduce this risk.

    Can PGT damage the embryo?

    PGT requires a biopsy of a few cells, which carries a small risk of damaging the embryo. However, this risk is low, and many embryos survive the procedure.

    Is PGT 100% accurate?

    No, PGT is highly accurate but not perfect. There is a small chance of false positives or false negatives, and some results may be inconclusive due to mosaicism.

    Are there legal restrictions on PGT in Thailand?

    Yes, Thailand has regulations regarding PGT. It is important to discuss the legal aspects with your clinic and understand how they apply to your situation.

    How can I reduce the risks of IVF and PGT?

    Choose a reputable clinic with transparent practices, follow your doctor's advice, and ask questions about their protocols. Also, consider single embryo transfer to reduce multiple pregnancy risks.

    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.