The age of menarche, or the onset of menstruation, has become earlier over time, shifting from 13.3 years for women born before 1920 to 12.4 years for women born in the 1980s. One cause of earlier ...
Menarche, defined as the first menstrual period, is a point of reference in the pubertal development of girls, and, although it is a late marker that happens after breast development and peak height ...
Women who were younger at the time of their first menstrual period (menarche) are more likely to report chronic pain in adulthood, reports a study in PAIN ®, the official publication of the ...
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