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Girls' periods starting earlier and becoming more irregular, study finds

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 those facts carry the possibility of health challenges as the girls get older. ....

United States , Robert Hiatt , Zifan Wang , Shruthi Mahalingaiah , Harvard Th Chan School , National Health , Apple Women Health Study , Harvard Chan School , Nutrition Examination , Washington Post , National Institute Of Environmental Health Sciences , Public Health , Apple Women , Health Study , National Institute , Environmental Health Sciences , Nutrition Examination Survey , California San Francisco , Asian Americans ,

Early Menstruation in Black Girls Linked to Socioeconomic Status

Early Menstruation in Black Girls Linked to Socioeconomic Status
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