health

Pregnancy Conception Calculator

Estimate conception date from due date.

Inputs

Due Date Year

Due Date Month (1–12)

Due Date Day

Estimated ConceptionSeptember 8, 2026

Fertile Window StartSeptember 3, 2026

Last Menstrual PeriodAugust 25, 2026

Due DateJune 1, 2027

Pregnancy Duration40 weeks (280 days)

Recent Calculations

No calculations yet — results will appear here automatically.