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Pregnancy Conception Calculator

Due Date

Wednesday, November 18, 2026

Gestational Age

2w 0d

Trimester

1st

Days Until Due Date

266 days

Last Menstrual Period

Feb 11, 2026

Estimated Conception

Feb 25, 2026

Fertile Window

EarliestFeb 20, 2026
Peak (ovulation)Feb 25, 2026
LatestFeb 26, 2026
Pregnancy Milestones
Heartbeat detectableMar 25, 2026
End of 1st TrimesterMay 13, 2026
Anatomy scan (20 wks)Jul 1, 2026
Viability (~24 wks)Jul 29, 2026
End of 2nd TrimesterAug 12, 2026
Full term (39 wks)Nov 11, 2026
Due Date (40 wks)Nov 18, 2026

Estimate due date, conception window, and milestones from LMP, conception date, or due date.