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Comment & Response
December 30, 2019

Association Between Maternal Fluoride Exposure and Child IQ

Author Affiliations
  • 1Johns Hopkins University, Baltimore, Maryland
JAMA Pediatr. 2020;174(2):210-211. doi:10.1001/jamapediatrics.2019.5230

To the Editor Green et al1 performed a cross-sectional analysis of a sample of participants from a prospective cohort of pregnant women to test the association between maternal fluoride exposure during pregnancy and childhood IQ measured 3 to 4 years after birth. The authors reported that exposure to higher levels of fluoride during pregnancy was associated with lower IQ scores for 3 to 4 years after childbirth.