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US girls got their first periods increasingly earlier over the last 50 years, new study finds

www.theguardian.com US girls got their first periods increasingly earlier over the last 50 years, new study finds

Trend is especially pronounced among Black, Hispanic and Asian participants, and those who report lower socioeconomic status

US girls got their first periods increasingly earlier over the last 50 years, new study finds

Trend is especially pronounced among Black, Hispanic and Asian participants, and those who report lower socioeconomic status

Archived version: https://archive.ph/K8wwn

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