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All calculators/Due date

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Estimated due date

Estimate a due date from the first day of the last menstrual period.

First day of last menstrual period

Estimate

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This is an estimate, not a predicted birthday. An early ultrasound can revise the clinical due date.

How we calculate

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Due date

Due date. Estimate a due date from the first day of the last menstrual period.

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