title: A study of the copper T intrauterine contraceptive device (TCu 200) in nulliparous women.
mesh_terms: D000293:Adolescent; D000328:Adult; D001466:Barium Sulfate; D003276:Contraceptives, Oral / Q000009:adverse effects; D003300:Copper; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D010146:Pain / Q000209:etiology; D010298:Parity; D011095:Polyethylenes; D011247:Pregnancy; D014592:Uterine Hemorrhage / Q000209:etiology
chemical_list: D003276:Contraceptives, Oral; D011095:Polyethylenes; D001466:Barium Sulfate; D003300:Copper