Calculate Fertile Window
Find the best time to get pregnant based on when you ovulate.
- The Fertile Window is the time during your menstrual cycle when pregnancy is most likely to occur.
- This time may include the 5 days before ovulation, the day of ovulation, and the day after ovulation.
- An egg is viable for 12 to 24 hours after ovulation.
- Sperm can live in the female reproductive tract for up to 5 days.
Ovulation tests, combined with our calculator, can help you to detect your Fertile Window. Our recommended ovulation test: