Conception Calculator

Conception Calculator: Find Out When You Got Pregnant

Retracing your steps? Learn why your conception date is rarely the day you had intercourse, the difference between medical and biological age, and how to find your implantation window.

Pregnancy & Family

When Did I Get Pregnant? (Reverse Conception Calculator)

Pregnancy math is confusing. Learn why doctors date pregnancies from your last period, and use our reverse calculator to find out the exact day your baby was conceived.

Pregnancy & Family