A chart showing the days you are the least likely to get pregnant — including right before your period

If you have unprotected sex the day before your period, you likely don't even need to take emergency contraception.

When are you most likely to conceive? How to recognize the signs of ovulation and track your cycle

You're most likely to get pregnant if you have sex about once a day for the five days around the time you ovulate.
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Ovulation: Symptoms and Calculating When It Happens

Understanding how your menstrual cycle works will improve your chances of successfully getting pregnant – or avoiding pregnancy – depending on your goal. It's important to know when ovulation occurs ...
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Sex To Conception: How Long Does It Take?

Conception can happen within minutes or up to five days after sex, depending on when you ovulate. Identifying your fertile window and when you ovulate can improve your chances of conceiving if you are ...