Pregnancy Duedate

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Pregnancy Due Date Calculator

Enter the date of your last menstrual period and the number of days in your menstrual cycle into the Due Date calculator, and click on the Calculate button.On average, there are 28 days in a menstrual cycle, but it can last from as little as 22 to as many as 44 days.

When was the first day of your last menstrual period?

Number of days in your menstrual cycle

Likely conception date:
End of first trimester (12 weeks):
End of second trimester (27 weeks):
Your due date (40 weeks):