Background The association between childhood exposure to lead (Pb) and deficits in
cognitive function is well established. The association with prenatal exposure, however, is …

As part of the Avon Longitudinal Study of Parents and Children (ALSPAC), measures of child
IQ were collected by trained psychologists. The Wechsler Pre-school and Primary Scale of …

Background: The primary purpose of the study was to establish a possible association
between very low levels of prenatal exposure to lead and mental development of children at …

Objective Low-level postnatal lead exposure is associated with poor intellectual
development in children, although effects of prenatal exposure are less well studied. We …

The goal of this study was to assess the effect of prenatal and postnatal lead exposure on
early cognitive development of infants using the Bayley Scale of Infant Development (BSID-I) …

This study is among the first to examine specific neurobehavioral deficits in children
exposed at very low lead levels. A systematic analysis for the presence of a threshold of lead …

The effect of prenatal lead exposure on child development has been a topic of public health
concern for decades. To estimate prenatal lead exposure effects on early childhood …

The hypothesis that low level lead exposure in the fetal and early preschool years is related
to neuropsychological deficit is being examined in a prospective study of development …

Lanphear et al.(2005) pooled data from seven prospective studies that had been initiated to
test the effect of prenatal and early childhood lead exposure. The primary investigators of …

Background Lead exposure predicts altered neurodevelopment and lower intelligence
quotient (IQ) in children, but few studies have examined this association in children who …