When do i ovulate

On average, a woman with a regular day cycle ovulates on about the 14th day of each cycle. For example, during a day cycle 4 days shorter than the average , ovulation takes place on about the 10th day. Similarly, changes are made in the opposite direction for cycles longer than 28 days. Stress, illness, and other things can also affect the timing of ovulation. Irregular cycles or cycles that are shorter than 21 days or longer than 35 make calendar prediction of ovulation unreliable.

Enter your information What was the date of the first day of your last menstrual period? What is the average number of days in your menstrual cycle? This calculator is not intended to replace the evaluation of a healthcare professional. How useful are home ovulation kits and fertility apps? Blog article From temperature tracking and ovulation kits to fertility apps, there are a large number of products that offer to track ovulation and pinpoint your most fertile days.

Four dietary tips to consider when you're trying to conceive Blog article Women and couples who are trying to conceive are often looking for answers about what they should be eating during this time.

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Your estimated fertile window is:. Your estimated ovulation date is:. You are most likely to get pregnant if you have sex without birth control a few days before your ovulation date.

This ovulation calculator provides an estimate of your fertile window and is not a guarantee of pregnancy or of birth control. The calculator and information on this website are not medical advice. Talk to your doctor or nurse to plan for pregnancy and find birth control that works for you. Fertile windows are different for every woman and can be different from month to month in the same woman.

Learn more about your fertility if you are trying to get pregnant. Department of Health and Human Services.