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period predictor
fertility calendar

The period predictor and fertility calendar helps you predict your menstruation dates for the upcoming months, as well as when you can expect to experience PMS symptoms. It also indicates your most fertile time of the month -- ovulation.
Please enter your menstrual cycle information below and click on «view calendar»
What was the start date of your last period?
How many days does your cycle last*?
How many days does your period last?
view calendar
* The average cycle length is 28 days
Note: The period predictor and fertility calendar works best for women with a regular menstrual cycle.Please consult your physician if your cycle is shorter than 21 days or longer than 35 days.

Period Predictor and Fertility Calendar

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