Pregnancy Due Date
Find the expected due date from the first day of the last period.
days
Fill in the boxes above to see the answer.
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Questions
How is the due date found?
It adds about 280 days (40 weeks) to the first day of the last period, adjusted for cycle length.
Is this the real date?
Only about 1 in 20 babies come on the due date. Your doctor will confirm the date with a scan.