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Study Reveals High PFAS Levels in Fetal Blood

3/15/2026

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Story summary
  • A Mount Sinai study of 120 umbilical cord blood samples identified 42 per- and polyfluoroalkyl substances (PFAS) compounds, revealing fetuses have higher PFAS levels than understood.
  • Higher PFAS levels are linked to cancer and low birth weight.
  • The EPA has certified a blood test for 53 PFAS compounds, while the study found 31 additional compounds not included.
  • Experts call for stronger regulatory measures to shield infants from harmful chemical exposure.