Comparison of four different models of the Multiload copper IUD.
D000367:Age Factors; D001723:Birth Rate; D055598:Chemical Phenomena; D002621:Chemistry; D003267:Contraception; D003300:Copper; D003710:Demography; D003933:Diagnosis; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005298:Fertility; D006285:Health Planning; D007287:Inorganic Chemicals; D007434:Intrauterine Devices; D015993:Life Tables; D008670:Metals; D010298:Parity; D010342:Patient Acceptance of Health Care; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011247:Pregnancy; D012106:Research
D007287:Inorganic Chemicals; D008670:Metals; D003300:Copper
Acceptor Characteristics; Acceptors; Age Factors; Clinical Research; Contraception; Contraception Termination; Contraceptive Methods; Copper; Demographic Factors; Evaluation; Examinations And Diagnoses; Family Planning; Family Planning Programs; Fertility; Fertility Measurements; Ingredients And Chemicals; Inorganic Chemicals; Iud; Life Table Method; Metals; Nulliparity; Parity; Population; Population Characteristics; Population Dynamics; Pregnancy; Research Methodology; Size