Pregnancy Due Date Calculator
Estimate your due date and see week-by-week milestones.
28 days is the standard assumption (Naegele's rule).
We back-date to a conception-equivalent age.
Your estimated due date and a week-by-week timeline will appear here.
Estimated due date
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This week baby is about the size of a
Key milestones
💛 Estimate only. A due date is a 40-week guide, not a deadline — only about 1 in 20 babies arrive on it, and most births happen within two weeks either side. Always follow your healthcare provider's dating from ultrasound.
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