Health

EDD Calculator

Estimate your pregnancy due date.

First Day of Last Menstrual Period

Average Cycle Length (days)

Estimated Due Date—

Current Gestational Age—

Conception Date (est.)—

End of 1st Trimester—

End of 2nd Trimester—

Naegele's Rule: EDD = LMP + 280 days (adjusted for cycle length ≠ 28 days).