US EditionUS girls got their first periods increasingly earlier over the last 50 years, new study finds
- Young women in the United States are experiencing earlier periods and irregular menstruation, raising health concerns.
- Researchers are investigating environmental factors like high-sugar diets or stress that may contribute to the trend of earlier periods.
- A study in JAMA Network Open analyzed data from 71,000 American females born between 1950 and 2005, exploring factors like menstrual cycles and BMI.
13 Articles
13 Articles
New study details potential long-term health risks as American girls reach puberty earlier
A new study adds to the evidence that girls in America are reaching puberty earlier with potentially troubling implications for their long-term health. More girls are getting their first periods sooner than previous generations and experiencing longer periods of menstrual irregularity. Amna Nawaz discussed more with Dr. Shruthi Mahalingaiah of the Harvard T.H. Chan School of Public Health.
Girls are starting their periods earlier in life, and that may lead to adverse health issues later
Girls are getting their first periods at younger ages and it is taking longer for their menstrual cycles to regulate, new research confirms. These findings are significant because early menarche – getting your first period before age 11 – is linked to obesity, insulin resistance and high cholesterol in adulthood, and depression and anxiety in adolescence.
Girls are getting their first periods earlier. Here's what parents should know
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 doubled. Researchers say parents can help prepare their kids for early puberty.
Girls are getting their periods younger, and with less regularity: ‘It alarms us’
Girls in the United States have been getting their periods at younger ages over the last fifty years, with additional variation between races, according to a new study. The study published in the JAMA Network on Wednesday found that the average age that girls got their periods for girls born between 2000 and 2005 was…
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