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Fertility Calculator

Please enter your menstrual cycle information below:
The first day of your last menstrual period:
The number of days in your menstrual cycle:
The length of your luteal phase: Leave default if you don't know.

About Fertility Calculator

The Fertility Calculator is used to find your most fertile days (ovulation date) and calculate your approximate due date if you do conceive in this cycle, based on the first day of your last period, the usual length of your menstrual cycle and the length of your luteal phase.

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