Who this is for
People turning health targets into consistent daily habits.
Estimated due date
Saturday, November 28, 2026
This calculator provides estimates only. Consult your healthcare provider for medical advice.
4
You are here — Week 4, Day 0
Baby is the size of a poppy seed
First trimester
Weeks 1–12Feb 21 – May 16
Conception: Mar 7
Second trimester
Weeks 13–26May 16 – Aug 22
Third trimester
Weeks 27–40Aug 22 – Nov 28
Due date: Nov 28, 2026252 days to go