When choosing a fertility clinic, success rates always come first. But when a clinic’s website says 65%, what are YOUR actual odds? You can’t just look at averages—the real answer depends on breaking it down by specific factors.
Age 35 Is the Clear Dividing Line
Let’s be honest: the clinic matters, but your age matters more. For women under 30 using their own eggs, single transfer success rates hit 50-60%. By 38, that drops to around 30%. After 42, you’re looking at maybe 10%. This isn’t scare tactics—it’s what the data consistently shows across reputable clinics. If you’re on the older end, knowing this upfront helps you plan realistically instead of burning through multiple failed cycles.
Blastocyst Rate Reveals True Lab Quality
Can your embryos make it to day 5 blastocyst stage? This number tells you everything about a lab’s real capabilities. Average labs get 40-50% blastocyst conversion rates. Good ones push past 60%. Here’s how to check: ask the clinic for their full-year blastocyst statistics—not just one doctor’s cherry-picked cases. Reputable clinics usually publish this data publicly. If they dodge the question or only show you individual success stories, that’s a red flag. The difference between a 45% and 65% blast rate can mean the difference between one retrieval cycle versus three.
PGT Testing Changes the Game for One-Shot Success
If you’re over 35 or you’ve had 2+ failed transfers, PGT-A screening (preimplantation genetic testing for chromosomal abnormalities) can boost implantation rates from 30-40% up to 60-65%. Yes, it costs an extra $2,000-3,000, but it helps you avoid repeated failed transfers and chemical pregnancies. Most people who succeed on their first transfer did PGT. It’s not mandatory, but if you’re trying to maximize efficiency and minimize emotional burnout, the math works out.
Choosing a reputable clinic and understanding the real timelines for each step—that’s how you avoid unnecessary detours. Don’t just trust the headline number on a website. Dig into age-specific stats, lab performance data, and whether PGT makes sense for your situation.