Estimated EDD
December 13, 2026
Premium medical-grade experience
Calculate due dates, weeks pregnant, and milestone windows with high-end clarity.
Switch between five calculation modes, toggle twin pregnancy, and instantly see an estimated EDD, current gestational age, safe delivery range, and fetal development timeline.
Current gestation
12w 0d
Fetal size
Avocado
Visual highlight
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Results, milestones, and delivery window
The timeline below is computed instantly in the browser. It includes singleton safe-window guidance and twin pregnancy adjustments for a more realistic planning range.
Due date
December 13, 2026
Conception
Mar 22
LMP date
Mar 8
Stage overview
Trimester 1
Your current fetal size is best described as like a small fruit.
Baby size
Avocado
Ma
Embryo implantation
March 29, 2026 · The pregnancy timeline begins to establish.
Ap
Heartbeat often detectable
April 26, 2026 · Early cardiac activity may be visible by ultrasound.
Ju
Anatomy scan window
June 28, 2026 · A detailed fetal anatomy assessment is commonly scheduled.
Se
Third trimester growth spurt
September 20, 2026 · Rapid fetal weight gain and preparation for birth.
De
Estimated delivery window
December 13, 2026 · Most singleton pregnancies reach term around this time.
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