Pregnancy Due Date Calculator When the Last Period Began on March 15, 2025

If the first day of your last period (L.M.P.) was March 15, 2025, your due date will be:

December 20, 2025 (that's Saturday)

It seems that the date March 15, 2025 is a date pointing to the future, correct the date of the first day of your last period. The date above indicates the day of delivery assuming you really know the future date of the L.M.P., and that you become pregnant.

Due dates for nearest periods