Examined the relationship between maternal cigarette smoking during pregnancy and children's intellectual functioning through age four. Found that children whose mothers smoked 10 or more cigarettes per day during pregnancy had Stanford-Binet scores 4 points lower than those whose mothers did not smoke during pregnancy. (HTH)

Analyzed the influence of a comprehensive program of nurse home visitation on the intellectual functioning of children born to women who smoked cigarettes during pregnancy. Found that comprehensive home-visitation services before and after delivery can offset the impairment in intellectual functioning associated with substantial maternal smoking…