How Fertility Changes With Age
Female fertility is closely tied to egg quantity (ovarian reserve) and egg quality. Both decline with age, with a more pronounced decline after the mid-30s and a steeper decline after 40. Miscarriage rates and chromosomal abnormality rates also rise with age. These are population-level trends; individual variation is wide.
What Evaluation Typically Includes
- Ovarian reserve testing: AMH, antral follicle count (AFC), and FSH/estradiol.
- Pelvic ultrasound to assess uterus, ovaries, and any anatomical findings.
- Thyroid and other hormone screening.
- Partner evaluation, including semen analysis.
- Review of medical history and any prior reproductive history.
Treatment Options That May Be Considered
- Timed intercourse or IUI in select cases, often with limited cycles before considering IVF.
- IVF with own eggs, sometimes combined with PGT-A to evaluate embryo chromosomal status.
- Donor egg IVF, often discussed when ovarian reserve is significantly reduced or after unsuccessful own-egg cycles.
- Donor embryo programs where available.
Treatment choices depend on the full clinical picture, personal values, and informed discussion with a specialist.
Realistic Expectations
Cumulative live-birth rates per cycle generally decline with age when using a patient's own eggs. Donor egg cycles statistically follow the donor's age profile. No treatment can guarantee pregnancy or live birth at any age. A specialist can discuss outcome ranges relevant to your specific evaluation.
Health Considerations
Pregnancy after 40 carries increased risks including gestational diabetes, hypertensive disorders of pregnancy, and miscarriage. A preconception health review — including blood pressure, glycemic control, and cardiovascular risk — is often recommended.
Emotional and Practical Planning
Treatment planning after 40 often involves time-sensitive decisions about workup, possible cycle count, and the role of donor options. Counseling and structured information can help patients evaluate their priorities clearly.
Questions to Ask
- What does my ovarian reserve testing actually mean for my options?
- What is a realistic outcome range for me based on the full evaluation?
- When would the conversation shift toward donor eggs?
- What pregnancy-health screening do you recommend before treatment?