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Ovulation Calculator

Ovulation Calculator

 

Use the ovulation calculator to help increase your chances of getting pregnant and get other expert advice on the best ways to get pregnant.

To increase your chances of getting pregnant, our ovulation calculator will help you forecast your fertility in a simple calendar format. Simply tell us the first day of your last period, and how long your cycle usually lasts (between 20 to 45 days).

NOTE: If your menstrual cycles are irregular, you may have trouble pinpointing your ovulation day based on this calendar alone, and may need to use an ovulation predictor kit.