title: Pill taken during or just before pregnancy not linked to various birth defects; need more study on heart ills.
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D003278:Contraceptives, Oral, Hormonal / Q000008:administration & dosage*; D005260:Female; D006330:Heart Defects, Congenital / Q000139:chemically induced*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011446:Prospective Studies; D012189:Retrospective Studies; D012306:Risk; D014481:United States
chemical_list: D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal