Pregnancy Due Date Calculator When the Last Period Began on September 13, 2025

If the first day of your last period (L.M.P.) was September 13, 2025, your due date will be:

June 20, 2026 (that's Saturday)

You are still trying to conceive. It is still too early (wait at least 3 weeks after L.M.P.) to determine the day of delivery. However, if conception has occurred, the age of your pregnancy is:

In days: 1 day

In weeks: just 1 day

In months: less than a month and 1 day

Due dates for nearest periods