Estimated Due Date Calculator

Estimated Due Date

Clinical Decision Tool

Estimates the expected date of delivery from the first day of the last menstrual period.

First day of last menstrual period — day

First day of last menstrual period — month

First day of last menstrual period — year

Clinical Decision Support Only

MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress.

Read our Clinical Disclaimer