How to Calculate Conception Date?
Knowing your conception date helps you understand exactly when your pregnancy began. Our Conception Calculator uses standard medical guidelines to estimate the day your baby was conceived.
The Science of Conception
Conception usually occurs around the time of ovulation, which is typically 14 days after the start of a 28-day menstrual cycle. Because sperm can survive for up to 5 days in a woman's reproductive tract, having intercourse a few days before ovulation can also result in pregnancy.