Pregnancy Due Date Calculator When the Last Period Began on December 12, 2024

If the first day of your last period (L.M.P.) was December 12, 2024, your due date will be:

September 18, 2025 (that's Thursday)

It seems that the date December 12, 2024 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