Pregnancy is almost long enough for you to forget what having a period feels like. But rest assured, the first period postpartum will swoop in to remind you—potentially with a vengeance. Here's ...

Girls in the U.S. are getting their first menstrual period about 6 months earlier on average than they did in the 1950s and '60s. And more girls are beginning menstruation before the age of 9, which ...

Medically reviewed by Cordelia Nwankwo, MD Key Takeaways Breast development usually starts about two years before the first ...

Your first period after childbirth may take some time to return, especially if you are breastfeeding. It's possible to become pregnant before your first postpartum period, as ovulation occurs before ...

Girls are getting their periods earlier and it is taking longer for their menstrual cycles to regulate – trends that are putting more girls at risk of health problems later in life. The average age of ...

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