[Comparison of clinical effects of stainless steel IUDs with and without copper].
D001723:Birth Rate; D055598:Chemical Phenomena; D002621:Chemistry; D003267:Contraception; D003300:Copper; D003933:Diagnosis; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D007287:Inorganic Chemicals; D007434:Intrauterine Devices; D008670:Metals; D018873:Pregnancy Rate; D012107:Research Design
D007287:Inorganic Chemicals; D008670:Metals; D003300:Copper
Contraception; Contraception Continuation; Contraception Termination; Contraceptive Methods; Copper; Evaluation; Examinations And Diagnoses; Family Planning; Fertility Measurements; Ingredients And Chemicals; Inorganic Chemicals; Iud; Measurement; Metals; Pregnancy Rate