title: Risk of recurrence of birth defects.
authors.forename: E B
authors.initials: EB
authors.lastname: Hook
mesh_terms: D000013:Congenital Abnormalities / Q000209:etiology*; D004781:Environmental Exposure / Q000009:adverse effects; D005260:Female; D006801:Humans; D010298:Parity; D012008:Recurrence; D012306:Risk; D012959:Socioeconomic Factors