Pregnancy Calculator

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Pregnancy Calculator
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 is (40 weeks):
Number of weeks you have been pregnant for:
How many weeks will you be pregnant on a given date?


Number of weeks you will be pregnant for:
On which date will you be pregnant for the given number of weeks?
The number of weeks:

Calculated date:
Given the birthday or due date, calculate likely conception date


Calculated conception date: