Fertility changes with age, but you have options. Get expert guidance on timing, testing, and treatment tailored to your goals.
Female fertility naturally peaks in the mid-20s and begins a gradual decline around age 32. The decline becomes more pronounced after 35, with a steeper drop after 40. This is due to both a decrease in the number of eggs (ovarian reserve) and a decline in egg quality.
By age 40, the chance of natural conception per cycle drops to approximately 5%.
A side-by-side look at how conception, IVF success, and miscarriage risk shift across age groups.
| Age Group | Natural Conception per Cycle | IVF Success Rate (Own Eggs) | Miscarriage Risk |
|---|---|---|---|
| Under 35 | 20–25% | 45–55% per transfer | 10–15% |
| 35–37 | 15–20% | 30–40% per transfer | 15–20% |
| 38–40 | 10–15% | 20–30% per transfer | 20–30% |
| 41–42 | 5–10% | 10–15% per transfer | 30–40% |
| Over 42 | <5% | 3–5% per transfer | 50%+ |
Success rates vary based on individual factors including ovarian reserve, overall health, and clinic expertise. These are general estimates based on published data.
Egg freezing (oocyte cryopreservation) allows you to preserve eggs at your current age for future use. This can be especially valuable if you're not ready for pregnancy now but want to keep your options open.
Women under 35 who freeze 10–15 eggs have a 60–70% chance of at least one live birth in the future.
Approximate live-birth or success rates per embryo transfer using a woman's own eggs.
Using donor eggs from women under 35: approximately 50–55% success per transfer, regardless of recipient age.
Success rates vary by clinic, individual health, and specific circumstances. These are general estimates.
For women with significantly diminished ovarian reserve or advanced maternal age, donor egg IVF offers the highest success rates. Eggs from donors under 35 are fertilized and transferred to your uterus.
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