When should I see a doctor about fertility?
Last updated September 3, 2026.
One year of well-timed trying - six months if 35 or older, per the Office on Women's Health - and immediately for irregular or absent periods, known conditions like PCOS or endometriosis, prior pelvic infection or surgery, cancer treatment, or two or more miscarriages. The time-saving rule: evaluate both partners from the start - male factors account for roughly a third of cases, and the semen analysis is simple, cheap, and noninvasive. The first workup: history, hormone blood tests, ovulation tracking, semen analysis, and ultrasound.
What to do
- Mark the one-year (or six-month) line. Well-timed trying counts, not calendar hope.
- Skip the wait for the flag conditions. Irregular periods, known disease, repeated losses.
- Test both partners from day one. The semen analysis is the easy first answer.
- Bring the data. Cycle dates, ovulation tracking, and the full medical history.
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