Pregnancy Due Date Calculator

This is not a diagnosis.The calculations that are provided are estimates based on averages.

Pregnancy Due Date Calulator
First Day of Last Menstrual Period:(first day of bleeding) *
Average Length of Cycles:(From first day of your period to the
first day of your next period)Ranges from: 22 to 44.
Default = 28 Optional: Leave 28 if unsure.

Estimated Fertility Window:

Estimated Conception Date:
Estimated Gestational Age:
(how far along your pregnancy is)
Estimated Due Date:
(only 5% born on their due date)