PGT Lab Quality Questions to Ask Thai IVF Clinics: A Guide for International Patients

When comparing PGT laboratory quality at Thai IVF clinics, the most useful step is to ask direct, specific questions and request written confirmation. Laboratory quality is not a single badge or machine; it is a combination of accreditation, staff experience, internal validation, and transparent reporting. Because published, clinic-specific laboratory data are often limited, treat any claim you cannot verify as a question to explore rather than a fact to rely on. This guide gives you a structured set of questions to ask each clinic, explains why each topic matters, and helps you compare answers consistently.

At a glance

• Ask for the laboratory’s accreditation status and the scope of that accreditation.
• Ask who performs the embryo biopsy and how their competency is maintained.
• Ask how the laboratory validates and monitors its PGT workflows.
• Ask what the report will include and who explains it to you.
• Ask how samples are tracked, stored, and shipped if relevant.
• Confirm all details in writing before you commit.

Why laboratory quality matters for PGT

Preimplantation genetic testing (PGT) involves removing a small number of cells from an embryo and analyzing its DNA. The result can influence which embryo is selected for transfer. Because the starting sample is very small, the laboratory’s technical performance and quality controls matter. A well-run laboratory uses validated protocols, monitors its performance over time, and reports results with appropriate caveats. However, no laboratory can guarantee a pregnancy, a live birth, or a child without a genetic condition. PGT is a screening or diagnostic tool with limitations, and it is not necessary or suitable for every patient. Your treating clinic can explain whether PGT is relevant in your situation.

Key lab quality indicators to ask about

Accreditation and certification

Accreditation is an external review of a laboratory’s quality management system. It is not a guarantee of a good outcome, but it indicates that the laboratory has met certain process standards. Ask which specific accreditation or certification the laboratory holds, which organization granted it, and what activities are covered. For example, some laboratories are accredited for genetic testing, while others may hold a broader medical laboratory accreditation. Ask whether the accreditation is current and whether you can see a certificate or a summary of the scope. If a clinic says it is “accredited,” ask for the exact name of the accrediting body and the certificate number if available. You can then verify this directly with the accrediting organization if you wish.

Equipment and technology

The specific platforms used for PGT can vary. Ask what technology the laboratory uses for the type of PGT you are considering (PGT-A, PGT-M, or PGT-SR). You do not need to become an expert in the technology, but you can ask how the laboratory validates its platform, how it handles samples that do not give a clear result, and whether it participates in external quality assessment schemes. External quality assessment (also called proficiency testing) involves an outside organization sending blinded samples to the laboratory to check accuracy. Ask if the laboratory participates in such schemes and how often.

Embryologist and laboratory staff experience

The embryologist who performs the embryo biopsy and the laboratory scientists who run the genetic analysis are central to quality. Ask who will perform the biopsy, what their training and certification are, and how many procedures they perform. Ask how the laboratory maintains competency, for example through continuing education or internal audits. You can also ask whether the same team handles your case from start to finish or whether parts are outsourced. If any part is sent to another laboratory, ask which laboratory and whether it holds relevant accreditation.

Quality control and internal validation

Laboratories should have written standard operating procedures and internal quality control measures. Ask how the laboratory monitors its performance, how it handles equipment calibration, and how it documents deviations or errors. Ask whether the laboratory has a process for reviewing inconclusive or failed results and how it communicates these to the clinic and to you. A laboratory that can describe its quality system clearly is often more transparent than one that gives only general assurances.

Reporting and interpretation

Ask what the PGT report will include. Does it state the result clearly, note any limitations, and indicate whether a result is inconclusive? Ask who will explain the report to you—your treating physician, a genetic counselor, or another specialist. If a result is uncertain, ask what the next steps would be. Understanding how results are reported and interpreted helps you make informed decisions and avoids over-reliance on a single number or label.

Sample tracking and chain of custody

From embryo biopsy to genetic analysis, samples must be tracked accurately. Ask how the laboratory labels and tracks samples, how it prevents mix-ups, and how it stores samples. If samples are shipped to another facility, ask about the shipping process and how temperature and chain of custody are maintained. These are practical questions that can reveal how organized and careful the laboratory is.

Questions to ask each clinic

Use the following list as a starting point. You can copy it into an email or use it during a consultation. Ask for written answers where possible so you can compare clinics consistently.

1. Which laboratory will perform the PGT analysis for my case? Is it on-site or a partner laboratory?
2. What accreditation or certification does that laboratory hold, and what is the scope of that accreditation?
3. Who performs the embryo biopsy, and what is their training and experience?
4. What technology is used for the specific PGT test I need, and how is it validated?
5. Does the laboratory participate in external quality assessment or proficiency testing? How often?
6. How does the laboratory handle inconclusive or failed results?
7. What will the PGT report include, and who will explain it to me?
8. How are samples tracked and stored, and what happens if samples need to be shipped?
9. Can you provide a sample report or a summary of the laboratory’s quality controls?
10. What are the limitations of PGT in my situation, and what alternatives should I consider?

How to compare answers across clinics

When you receive answers, compare them using consistent criteria. For example, you might create a simple table with columns for accreditation, biopsy personnel, technology, external quality assessment, and reporting. Note where a clinic gives a clear, specific answer and where it is vague. A clinic that cannot answer detailed questions may still provide good care, but the lack of transparency is worth noting. Remember that no clinic or laboratory can guarantee a successful outcome, and PGT is not a required step for all patients. Your decision should be based on your medical situation, your values, and a balanced discussion with a qualified healthcare provider.

Next steps for international patients

Before you travel or commit to treatment, gather written answers to the questions above. Ask for a video consultation with the embryologist or laboratory director if possible. Confirm costs, timelines, and what happens if you need additional testing. Check the clinic’s policy on remote consultations and follow-up. For more general information about PGT in Thailand, see our PGT in Thailand guide. You can also browse hospitals and guides for planning, and visit our FAQ for common questions. Always confirm legal, travel, and documentation requirements with the relevant authorities and your treating clinic, as these can change.

Frequently asked questions

What accreditation should a PGT laboratory in Thailand have?

Accreditation requirements vary, and there is no single mandatory accreditation for PGT laboratories in Thailand that applies to all clinics. Instead, ask each clinic which specific accreditation or certification its laboratory holds, which organization granted it, and what activities are covered. You can then verify this with the accrediting body if you wish. A laboratory may also participate in external quality assessment schemes, which is another indicator of quality monitoring. Because regulations and accreditations can change, confirm current status directly with the clinic.

How can I verify a clinic's claims about its PGT laboratory?

Ask for written details, such as the name of the accrediting organization, certificate numbers, or a summary of the laboratory's quality control procedures. You can contact the accrediting organization to confirm that a certificate is valid. You can also ask for a sample PGT report (with patient details removed) to see how results are presented. If a clinic cannot provide specific information, consider that a sign to ask more questions or seek a second opinion. No clinic can guarantee outcomes, so focus on transparency and process.

Does a better-equipped laboratory mean a higher chance of pregnancy?

Not necessarily. Laboratory quality is one factor among many that can influence IVF outcomes, including your age, the reason for treatment, and the clinic's overall care. A well-equipped laboratory with good quality controls may reduce technical errors, but it cannot guarantee a pregnancy or a healthy child. Be cautious of any claim that a specific laboratory or technology guarantees success. Discuss your individual situation with a qualified healthcare provider.

Is PGT necessary for all international patients doing IVF in Thailand?

No. PGT is not necessary or appropriate for everyone. It may be considered for specific reasons, such as a known genetic condition in the family, a history of recurrent pregnancy loss, or certain age-related considerations. Whether PGT is right for you depends on your medical history and your goals. Your treating clinic can explain the potential benefits and limitations in your case. PGT is a screening or diagnostic tool, not a guarantee of a successful outcome.

What should I do if a clinic's answers about its laboratory are vague?

If a clinic gives vague answers, ask follow-up questions in writing. For example, request the exact name of the accrediting body, the specific technology used, and who performs the biopsy. If the clinic still cannot provide clear information, you may want to compare other clinics or seek a second opinion. Transparency about laboratory processes is a reasonable expectation, even though no clinic can guarantee results. Trust your judgment and prioritize clear communication.

Continue your research

• Thailand hospital directory
• PGT in Thailand overview
• PGT and IVF guides

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.