Pregnancy Calculator

This calculator will give you an instant EDD and fetal age!
Simply enter your dates in the formats shown and hit calculate!

Last Menstrual Period:
(MM/DD/YYYY format)Average Length of Cycles: (22 to 45)
(defaults to 28)Average Luteal Phase Length(no. of days you are fertile, if unsure leave blank):
(9 to 16) (defaults to 14)

Estimated Conception:
Estimated Due Date:
Estimated Fetal Age: