Pregnancy Conception Calculator
Estimated Conception Date
Fertile window: - to -
How Conception Date is Calculated
Conception typically occurs about 14 days after the first day of the last menstrual period, or about 266 days before the due date.
Fertile window: - to -
Conception typically occurs about 14 days after the first day of the last menstrual period, or about 266 days before the due date.