Pregnancy Due Date Calculator

What was the date of the first day of your last menstrual period?

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Find out when your baby is due.

Planning is an important part of your pregnancy. Use our Pregnancy Due Date Calculator to find out when your baby is due, so that you can plan for the day when your baby will arrive.

Healthcare professionals use the number of weeks since your last menstrual period to describe how far along you are in your pregnancy. This calculation is for an average pregnancy. Your pregnancy may be longer or shorter.

This test should be used as a guideline and is based on guidelines established by the drkoop.com Medical Advisory Board.