When Did I Conceive if I am 4 Weeks Pregnant?

If I am 4 weeks pregnant, then when did I conceive?

The best way to figure out the date of conception is to subtract 4 weeks from the current date.

So if today is October 2, then I conceived occurred on September 4.

You conceived at:
September 4, 2025
First day of Last Month Period (L.M.P.) : August 21, 2025

Check the date of conception for other weeks.

The closest calculation of conceive day

Nearest calculation of days of conception based on day of birth