Exposure during pregnancy to phthalates - drop in child IQ

Children exposed during pregnancy to elevated levels of two common chemicals found in the home—di-n-butyl phthalate (DnBP) and di-isobutyl phthalate (DiBP)—had an IQ score, on average, more than six points lower than children exposed at lower levels, according to researchers at Columbia University’s Mailman School of Public Health.
The study is the first to report a link between prenatal exposure to phthalates and IQ in school-age children. Results appear online in the journal PLOS ONE. Prior research reports inverse associations between maternal prenatal urinary phthalate metabolite concentrations and mental and motor development in preschoolers (Columbia University, 10 December 2014).
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