Thailand IVF Success Rates: Real Data Analysis You Need to Know
Honest breakdown of Thailand IVF success rates with real data — clinical pregnancy rates, live birth rates, and factors that actually matter.
"Thailand IVF success rate of 80%!" — You've probably seen claims like this. But is it actually true?
Today, we skip the marketing and focus purely on data.
First: What Does "Success Rate" Mean?
There are several definitions of IVF "success," and this is where many clinics play word games:
| Metric | Definition | Top Thailand Clinic Data |
|---|---|---|
| Implantation rate | Embryo successfully implants | 60-75% |
| Clinical pregnancy rate | Heartbeat visible on ultrasound | 55-70% |
| Ongoing pregnancy rate | Pregnancy continues past 12 weeks | 50-65% |
| Live birth rate | Healthy baby delivered | 45-60% |
Live birth rate is the only metric that truly matters. When someone quotes 80% success, they're almost certainly referring to implantation or clinical pregnancy rate — which is still far from taking a baby home.
Real Success Rates by Age
Age is the single most important factor affecting IVF success — nothing else comes close.
| Age | Clinical Pregnancy Rate | Live Birth Rate | Notes |
|---|---|---|---|
| Under 30 | 65-75% | 55-65% | Peak fertility |
| 30-34 | 60-70% | 50-60% | Still excellent |
| 35-37 | 50-60% | 40-50% | Notable decline begins |
| 38-40 | 40-50% | 30-40% | Accelerating decline |
| 41-42 | 25-35% | 15-25% | PGS strongly recommended |
| Over 42 | 15-25% | 8-15% | Donor eggs may be needed |
How PGS/PGD Improves Success Rates
PGS screening eliminates chromosomally abnormal embryos, significantly improving transfer success:
| Comparison | Without PGS | With PGS |
|---|---|---|
| Clinical pregnancy per transfer | 45-55% | 65-75% |
| Live birth per transfer | 35-45% | 55-65% |
| Miscarriage rate | 15-25% | 5-10% |
The advantage of PGS is especially pronounced for women over 35, as chromosomal abnormality rates in embryos increase dramatically with age.
Key Factors Affecting Success
- Age (40% weight): Female age is the single most important factor
- Ovarian reserve (20%): AMH >2.0 is favorable, <1.0 is concerning
- Sperm quality (15%): Often underestimated — severe issues affect embryo quality
- Uterine environment (15%): Endometrial thickness of 8-12mm is optimal
- Hospital & doctor (10%): Top hospitals may have 10-15 percentage points higher success rates
FAQ
Q: Are Thailand success rates higher than other countries?
A: Top Thai clinics have success rates comparable to the best US and European centers, at a fraction of the cost. The main advantage is unrestricted access to PGS and a patient-centered approach.
Q: Can PGS-screened embryos still fail?
A: Yes. PGS only screens chromosomes. Uterine factors, immune issues, and embryo developmental potential can all affect outcomes. However, PGS dramatically reduces failures and miscarriages caused by chromosomal abnormalities.
Want a personalized success rate assessment? Contact AddBaby for a free analysis based on your specific situation.
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