Menstrual periods are arriving earlier for younger generations, especially among racial minority and lower-income individuals

Published on May 29, 2024

The average age at menarche — the first menstrual period — has been decreasing among younger generations in the U.S., especially those belonging to racial minorities and lower socioeconomic statuses, according to a new study. It also found that the average time it takes for the menstrual cycle to become regular is increasing.

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