HesapHanem

Ovulation Calculator

Enter the first day of your last period and your cycle length; we estimate your ovulation day, your most fertile window and your next period date.

These results are estimates; they vary with irregular cycles and should not be used as a method of contraception.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

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