Ovulation Tracker
Track your ovulation, fertile window, and next period with a personalized fertility calendar.
Embed this toolAdvertisement
Ad
Understanding Your Fertility Calendar
Tracking your cycle helps you understand your body and plan for pregnancy. Ovulation typically occurs about 14 days before your next period, regardless of cycle length.
The Fertile Window
Your fertile window includes the 5 days before ovulation and the day of ovulation. This is because sperm can survive up to 5 days in the female reproductive tract, while the egg is viable for about 12–24 hours after release.
Frequently Asked Questions
It estimates your ovulation day by subtracting 14 days from your next expected period, based on your cycle length. Your fertile window includes the 5 days before ovulation and the day of ovulation itself.