title: [Cholelithiasis, pregnancy and contraceptive pills].
mesh_terms: D001646:Bile / Q000187:drug effects; D002769:Cholelithiasis / Q000209:etiology*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D006801:Humans; D050356:Lipid Metabolism; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*
chemical_list: D003276:Contraceptives, Oral