How Do You Calculate an Ovulation Date?


Quick Answer

A woman’s ovulation date typically occurs 12 to 16 days before the menstrual cycle begins, according to WebMD. The ovulation date varies depending on the typical length of the menstrual cycle. Women who have an average 28-day cycle can expect to ovulate around day 14.

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Full Answer

There are several ways for women to determine their ovulation date, explains WebMD. The calendar method uses simple math to determine the approximate ovulation day based on the normal length of the menstrual cycle and counting back by 14 days. This number is based on a 28-day cycle and can be manipulated by women with longer or shorter cycles. Women can also use the basal body temperature method, which involves taking the temperature every morning. A woman’s body temperature typically changes one to two days before and one to two days after ovulation.

Tracking cervical mucus levels is another way for women to determine their ovulation date, notes WebMD. Just before and during ovulation, most women have an increased amount of thin, clear and stringy cervical mucus. The final option is to use a home ovulation kit that measures the amount of luteinizing hormones in the urine. These at-home test kits reveal a woman’s most fertile days.

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