title: Important factors in the use-effectiveness of the copper-T-200 IUD.
mesh_terms: D000900:Anti-Bacterial Agents; D003075:Coitus; D003300:Copper; D005260:Female; D006801:Humans; D007433:Intrauterine Device Expulsion; D007434:Intrauterine Devices / Q000009:adverse effects; D008598:Menstruation; D008599:Menstruation Disturbances / Q000209:etiology; D011247:Pregnancy
chemical_list: D000900:Anti-Bacterial Agents; D003300:Copper