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Ovulation Calculator

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Fertility Window
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Tracking Your Fertility Cycle

Understanding your cycle is a key part of reproductive health. While every individual is different, most cycles range between **25 and 35 days**. Ovulation typically occurs about **14 days before** your next period begins.

The **Fertility Window** includes the day of ovulation and the five days leading up to it. This is because sperm can survive inside the body for several days, whereas the egg is only viable for 12–24 hours after release. Tracking these dates helps you identify your most fertile days to optimize your chances of conception.