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Grandfather’s Chemical Exposure May Influence Granddaughter’s Puberty Timing

SAN FRANCISCO COUNTY, CALIFORNIA, JUL 14 – Research shows grandfathers' exposure to endocrine-disrupting chemicals may lower the age of first menstruation by one year in granddaughters, increasing future health risks, researchers said.

Summary by News Medical
A grandfather's exposure to endocrine-disrupting chemicals may impact the age when his granddaughter starts her first period, according to preliminary data being presented Sunday at ENDO 2025, the Endocrine Society's annual meeting in San Francisco, Calif.

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Writing.- Girls begin puberty more and more soon and one of the factors that can influence is the grandfather’s exposure to chemicals that alter his endocrine system. That is the conclusion of one of the presentations presented at the annual meeting of the American Endocrine Society, held in San Francisco, USA. “Although we discovered that both the mother’s and the father’s exposure were related to the time when his daughters and granddaughters …

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Medical Xpress broke the news in on Sunday, July 13, 2025.
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