The wording in the summary could have been done better. Read casually, it comes across as suggesting causation instead of correlation: Findings -- In this pros

The wording in the summary could have been done better. Read casually, it comes across as suggesting causation instead of correlation: Findings -- In this prospective birth cohort study, fluoride exposure during pregnancy was associated with lower IQ scores in children aged 3 to 4 years. Meaning -- Fluoride exposure during pregnancy may be associated with adverse effects on child intellectual development, indicating the possible need to reduce fluoride intake during pregnancy.