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  • Title: A cohort study of alkaloidal cocaine ("crack") in pregnancy.
    Author: Cherukuri R, Minkoff H, Feldman J, Parekh A, Glass L.
    Journal: Obstet Gynecol; 1988 Aug; 72(2):147-51. PubMed ID: 3393357.
    Abstract:
    The recent dramatic increase in the use of alkaloidal cocaine ("crack") has led to concern about possible deleterious fetal effects associated with its use during pregnancy. Crack, which is not destroyed by heating, can be smoked, and delivers a large quantity of cocaine to the vascular bed of the lung, producing an effect similar to that from intravenous injection. To describe the association of crack use with pregnancy outcome, we conducted a retrospective matched cohort study of 55 women who admitted to the use of crack during pregnancy and 55 non-drug-using women who delivered during the same period. The groups were matched for age, parity, socioeconomic status, alcohol use, and presence or absence of prenatal care. A significantly larger number of women using crack delivered at 37 weeks or earlier (50.9 versus 16.4%; P = .001). Crack-exposed infants were 3.6 times more likely to have intrauterine growth retardation (P less than .006) and 2.8 times more likely to have a head circumference less than the tenth percentile for gestational age (P less than .007). Premature rupture of the membranes was 1.8 times more common in the crack group (P less than .03). Sixty percent of crack-using mothers received no prenatal care. Abnormal neurobehavioral symptoms were present in a minority of infants and were usually mild.
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