Gonadal system - infertility
Description
- Failure to conceive after 12 months of regular unprotected intercourse
- 6 months if the woman is >=35, or immediately if there is an obvious cause (amenorrhoea, known tubal disease, azoospermia, prior chemotherapy)
- Primary (never conceived) vs secondary (previous conception)
Where the cause sits
| Share | |
|---|---|
| Male factor | ~30% (sole), contributory in ~50% |
| Ovulatory dysfunction | ~25% |
| Tubal/pelvic | ~20% |
| Uterine/cervical | ~10% |
| Unexplained | ~15-25% |
- *Investigate both partners from the start* - a male factor is present in half of couples and a semen analysis is cheap and fast
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