Copper in the uterus.
D055598:Chemical Phenomena; D002621:Chemistry; D003267:Contraception; D003300:Copper; D005193:Family Planning Services; D005500:Follow-Up Studies; D007287:Inorganic Chemicals; D007434:Intrauterine Devices; D008670:Metals; D012106:Research; D012834:Silver
D007287:Inorganic Chemicals; D008670:Metals; D012834:Silver; D003300:Copper
Contraception; Contraceptive Methods; Copper; Family Planning; Follow-up Studies; Ingredients And Chemicals; Inorganic Chemicals; Iud; Iud Material; Metals; Research Methodology; Silver; Studies