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 the number of girls starting their period before age nine has ...

A new study, published Wednesday, found that girls are starting their menstrual cycles earlier now than in previous decades.

SDI Productions/Getty Images / E+ 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 ...

Girls have been getting their periods earlier and earlier for more than half a century. And as early onset increased, it has taken longer and longer for menstrual cycles to become regular. Both of ...

A study found that girls of color tend to get their periods earlier. Here's why that can be a problem and what parents can do, according to a doctor.

A new study finds that US girls are experiencing their first periods earlier, with factors such as improved nutrition, increased BMI, and environmental exposures potentially driving this trend.

A recent study indicates that girls of color, particularly Black girls, are beginning their menstrual cycles at younger ages than their peers. While the exact reasons for this phenomenon remain ...

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 ...