The best time to have sex for conception is during your fertile window, which is usually the 5 days leading up to ovulation and the day of ovulation itself. Sperm can survive in the female reproductive tract for up to 5 days, while an egg only survives about 12–24 hours after release, so timing is key. For most cycles, ovulation occurs about 14 days before your next period, but it can vary. Tracking ovulation with BBT, cervical mucus, or ovulation tests can help pinpoint the most fertile days. T