Ovulation Calculator
Find your most fertile days based on your cycle
Fertile Window & Ovulation Date
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Fertility & Cycle Reference
Ovulation Day
Typically 14 days before your next period.
Fertile Window
Begins 5 days before ovulation and ends 1 day after.
Average Cycle Length
Normal range: 21 to 35 days.
Best Time to Conceive
During the 2 days before and day of ovulation.