Preparing your child for their first period—and roughly 40 more years of menstruation that follow—can feel like a big responsibility. But this milestone doesn't have to be overwhelming or awkward. In ...

Jessica Biel wants to get people talking about periods. Her new book, A Kids Book About Periods, which comes out today, aims to help parents kick off that sometimes awkward but important conversation ...

The age you got your first period, also called menarche, is one of those milestones people remember forever. It feels loaded with meaning, and for good reason. Hormones, growth, fertility, and the ...

The age of one's first period can predict their health in the future. (lastudio87 / Getty Images) For girls, starting their period is inevitable. But the age when a child’s period begins, called ...

Girls in the U.S. are getting their first period earlier than in decades past. Researchers say there are multiple factors causing early puberty, including obesity and environmental pollutants. Girls ...

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 ...