Abstract

This brief review has described historic highlights of etiologic knowledge, current concepts in the categorization of cardiovascular anomalies based upon ongoing advances in teratology, and epidemiologic evaluations of biologic and xenobiotic risk factors with emphasis on the teratogenic roles of maternal diabetes, hyperphenylalaninemia, and parental exposures to alcohol, drugs, solvents, pesticides, lead, and other toxic substances. Evidence is presented for a strong genetic basis of cardiovascular maldevelopment requiring further studies to define at-risk families. Counseling and personal and societal preventive interventions may reduce the occurrence of some forms of CHD.

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