See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Girls in the United States are getting their periods earlier, and it's ...

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 ...

Did you know that a girl’s first period, known as menarche, is an indicator of her long-term hormonal health and future fertility? Sounds surprising, doesn’t it? While many women rarely think about ...

The first-period talk is an important milestone for young girls, but for many parents, not knowing how to start the conversation can cause awkwardness and even avoidance – delaying or even putting off ...

There is unexpectedly large variation in height growth in girls after their first period. Every second girl grows either more or less in length than the 6–8 centimeters that is considered standard.

A concerning new study conducted by Dr. Shruthi Mahalingaiah of the Harvard T.H. Chan School of Public Health has supported the claim that American girls are getting their periods earlier in life. The ...

Girls who grow up eating a healthier diet than their peers may be less likely to get their first menstrual periods at an earlier age — regardless of height or body mass index — a new study suggests.