Ovulation Calculator

Use this fantastic Ovulation Calculator to:

Find out your possible ovulation date.
Determine which are your most fertile days.

How to use the Ovulation Calculator

On average there are 28 days in a menstrual cycle - a cycle can last from as little as 22 to as many as 44 days. The Ovulation Calculator gives you the approximate ovulation date, but if your cycle is irregular, the results may be less accurate.

Ovulation Calculator
When was the first day of your last menstrual period?

Number of days in your menstrual cycle

Your ovulation date (dd/mm/yyyy) is:
Your fertile days are:
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