Substance Abuse in Pregnancy: Teratogenesis

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Abstract
Substances of abuse include those that are legal (such as alcohol) and those that are illegal (street drugs). Many of these agents produce reproductive toxicity including intrauterine growth retardation. Teratogenesis is unproven with most of these agents. Alcohol is an exception, producing the fetal alcohol syndrome. Cocaine causes marked reproductive toxicity including decreased growth and morbidity. A number of birth defects have been associated with cocaine use including genitourinary, cardiac, and limb anomalies. The reproductive toxic and putative teratogenic effects of cocaine are probably associated with its well-known pharmacologic action causing vasoconstriction. From preliminary studies, it would appear that methamphetamine also produces reproductive toxic effects similar to those of cocaine.