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Ovulation Calculator


Knowing when you are likely to ovulate can improve your chances of becoming pregnant. Simply enter the date of your last period and the Fertility Calculator will estimate your most fertile days. This calculator is provided for educational purposes only and assumes an average cycle of 28 days. If your average cycle differs, please contact a trusted health care professional for personalized assistance. 

When did your last menstrual cycle start?

Adjust the length of your cycle if necessary


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