Pregnancy Calculator Tester

Pregnancy Calculator

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.

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


How is pregnancy calculated from last period?

How can I be 4 weeks pregnant when I conceived 2 weeks ago?

What is the most accurate due date calculator?