Can I Do IVF in Thailand if I Am Over 40?

Yes, you can pursue IVF in Thailand if you are over 40. Many clinics in Thailand treat women in this age group, often in combination with preimplantation genetic testing (PGT) to screen embryos for chromosomal abnormalities. However, it is important to understand that female age is the single most important factor affecting IVF success, primarily due to a decline in egg quantity and quality. This guide explains the key considerations, uncertainties, and steps to take when planning IVF in Thailand after 40.

At a Glance: IVF Over 40 in Thailand

• IVF is available for women over 40, but success rates decline with age.
• PGT (preimplantation genetic testing) is commonly recommended to identify chromosomally normal embryos.
• You may need multiple cycles to achieve a pregnancy.
• Costs, legal aspects, and medical eligibility vary by clinic and individual health.
• Always verify details directly with the clinic and relevant authorities.

How Age Affects IVF Success

After age 35, a woman’s ovarian reserve (the number of eggs remaining) decreases, and the proportion of eggs with chromosomal abnormalities increases. By age 40, more than half of eggs may be chromosomally abnormal, which can lead to failed implantation, miscarriage, or genetic disorders. This is why many clinics recommend PGT for women over 40: to select embryos with the correct number of chromosomes, potentially improving the chance of a live birth per transfer.

However, PGT does not guarantee a pregnancy. Even with normal embryos, implantation and live birth rates are lower for older women. The number of eggs retrieved, embryo development, and uterine health also play roles.

Special Considerations for Women Over 40

Ovarian Reserve Testing

Before starting IVF, your doctor will likely assess your ovarian reserve using blood tests (AMH, FSH) and an antral follicle count via ultrasound. These tests help predict how you might respond to ovarian stimulation. Low reserve may mean fewer eggs retrieved, which can reduce the number of embryos available for testing and transfer.

PGT-A (Preimplantation Genetic Testing for Aneuploidy)

PGT-A screens embryos for chromosomal abnormalities. For women over 40, this can help avoid transferring abnormal embryos that would likely fail or miscarry. However, PGT-A requires a biopsy of the embryo, which adds cost and may not be available at all clinics. Also, some normal embryos may be mosaic (a mix of normal and abnormal cells), and interpretation can be complex.

Donor Egg Consideration

If your own eggs are unlikely to yield normal embryos, your clinic may discuss using donor eggs. This option can dramatically increase success rates for women over 40, but it involves legal and ethical considerations. In Thailand, egg donation is regulated; you must confirm the legal framework with the clinic and your home country.

Multiple Cycles

Many women over 40 need more than one IVF cycle to obtain a chromosomally normal embryo. Be prepared for the possibility of multiple retrievals. Some clinics offer multi-cycle packages, but terms vary.

Questions to Ask a Clinic

• What is your experience treating women over 40? Can you share your live birth rates per embryo transfer for this age group?
• Do you recommend PGT-A for all patients over 40? What are the costs and success rates with PGT-A?
• What ovarian stimulation protocols do you use for older patients?
• What is your policy on embryo freezing and storage?
• Do you offer donor egg programs? What are the legal requirements and waiting times?
• What are the total costs for a cycle including medications, PGT, and any additional procedures?

Next Steps Checklist

• Consult with a reproductive endocrinologist in your home country for a baseline fertility assessment.
• Research Thai clinics that specialize in treating women over 40 and have transparent success data.
• Contact clinics directly to ask about their protocols, costs, and legal aspects.
• Verify visa requirements for medical travel to Thailand (e.g., medical visa if needed).
• Arrange accommodation and support for your stay, which may be 2-4 weeks per cycle.

Related Reading

For more information, see our FAQ and guides. If you have specific questions, contact us.

Frequently asked questions

What is the success rate of IVF for women over 40 in Thailand?

Success rates vary widely by clinic and individual factors. Generally, live birth rates per embryo transfer decline with age. For women over 40, rates are lower than for younger women, but PGT-A may improve the chance per transfer. Ask clinics for their age-specific data.

Is PGT necessary for women over 40?

PGT is often recommended because chromosomal abnormalities increase with age. It can help select embryos with the best chance of implantation and live birth. However, it is not mandatory, and some women may choose not to test due to cost or other reasons.

Can I use my own eggs for IVF after 40?

Yes, many women over 40 use their own eggs. However, the number and quality of eggs may be reduced. Your doctor will assess your ovarian reserve to determine if using your own eggs is a viable option.

How many IVF cycles might I need?

It depends on your ovarian reserve and embryo development. Some women achieve a pregnancy in one cycle, while others may need multiple cycles to obtain a chromosomally normal embryo. Discuss this with your clinic.

What are the legal considerations for IVF in Thailand for foreigners?

Thailand allows IVF for married couples and, in some cases, single women. Legal requirements for embryo transfer, donation, and surrogacy vary. Always verify current regulations with the clinic and your embassy.

Continue your research

• Frequently asked questions
• PGT and IVF guides
• Prepare a private case review

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.