title: Serum prolactin levels in women using copper IUDs.
mesh_terms: D000328:Adult; D003300:Copper; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D007774:Lactation; D011247:Pregnancy; D011388:Prolactin / Q000097:blood*; D013997:Time Factors
chemical_list: D003300:Copper; D011388:Prolactin