You should see a doctor if you have not become pregnant after 1 to 2 years of trying. Here, "trying" means having unprotected intercourse an average of 3 times a week, but not more often than every 36 hours.

The best place to start is at your primary care or ob-gyn's office, not at a specialized fertility clinic. The fertility problem may turn out to be quite simple, such as not having intercourse near the time of ovulation.