Ovulation is an important process during the menstrual cycle, which can determine whether you are able to get pregnant, and when. Although many of us learned in health class that unprotected sex at any time could lead to a pregnancy, the window when a woman is fertile each month is relatively small.

People have found ways to predict fertility for centuries. Today, women have many more tools to track ovulation, from urine tests and thermometers to smartphone apps and wearable devices.

It may feel overwhelming when it comes time to track your own ovulation. Whether you're going off birth control and trying to understand your cycle, planning to get pregnant in the future or actively trying, what's the most accurate way to test for ovulation?

TODAY.com spoke with board-certified OB-GYN, e

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