Ovulation Calculator

What was the first day of your last period?

Please select a valid date.

What is your average cycle length?

Please enter a value between 21 and 45.

Ovulation Calculator

Sperm can last up to 7 days and the egg for 24 hours. Having regular sex before, during and after fertile dates increases your chance of pregnancy.

Ovulation Calculator

Your upcoming fertile dates

  Your upcoming fertile dates

Your next period

nextPeriod

Your estimated due date

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