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estimated ovulation day
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Fertile window
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Next period
Estimates assume a regular cycle and ovulation about 14 days before the next period. Individual timing varies.
Frequently Asked Questions
When do I ovulate?
Ovulation typically happens about 14 days before your next period. The fertile window is roughly the five days before ovulation plus the day itself, when conception is most likely.
Estimate your ovulation day and most fertile window from your cycle.