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Due Date Calculator

Pregnancy due date and weekly milestones.

First day of last menstrual period (LMP)

Standard 28-day cycle. Most accurate for first trimester. Consult your provider for individual estimates.

Estimated due date

Monday, March 22, 2027

280 days to go

Currently: 0w 0d

Trimester: 1

Estimated conception: 6/29/2026

1st trimester (0-12w): Heart begins beating ~6w. First ultrasound 8-10w. Risk of morning sickness peaks.

2nd trimester (13-26w): Anatomy scan ~20w. Often feel first kicks 18-22w. Glucose screening 24-28w.

3rd trimester (27-40w): Group B strep test 36w. Weekly visits start ~36w. Full-term at 39w.