title: Unintended pregnancies and contraceptive use.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D003277:Contraceptives, Oral, Combined / Q000494:pharmacology; D004347:Drug Interactions; D005260:Female; D006801:Humans; D011247:Pregnancy
chemical_list: D000900:Anti-Bacterial Agents; D003277:Contraceptives, Oral, Combined