Prenatal exposure to polychlorinated biphenyls and child neuropsychological development in 4-year-olds: An analysis per congener and specific cognitive domain

► Neuropsychological development at the age of 4 years was assessed using McCarthy Scales of Children Abilities. ► Prenatal exposure to PCB153 was related with a delay in global neuropsychological development. ► Postnatal levels of PCBs at the age of 4 were not related to neuropsychological development.