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Poor Semen Quality in Sons Linked With Mothers’ PFAS Levels

Oct. 5, 2022, 4:01 AM

Mothers with higher exposures to seven PFAS during pregnancy gave birth to sons whose potential as young adults to father their own children was impaired, according to a study to be published Wednesday.

Danish and Swedish researchers collected semen from 864 men ages 18 to 20 and compared it to the amount of 15 per- and polyfluoroalkyl substances (PFAS) their mothers had been exposed to while pregnant. The higher the mothers’ exposure to seven of those PFAS, the more likely the men were to have fewer sperm than average and sperm that could fail to move toward their target. The ...