title: Drug interaction with oral contraceptive steroids.
mesh_terms: D000900:Anti-Bacterial Agents; D000927:Anticonvulsants; D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004347:Drug Interactions; D004997:Ethinyl Estradiol / Q000378:metabolism; D005260:Female; D006801:Humans; D011247:Pregnancy; D012293:Rifampin
chemical_list: D000900:Anti-Bacterial Agents; D000927:Anticonvulsants; D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004997:Ethinyl Estradiol; D012293:Rifampin