title: [A multicenter comparative clinical study of three types of IUD (5 years follow-up)].
mesh_terms: D000367:Age Factors; D001519:Behavior; D001695:Biology; D001723:Birth Rate; D002986:Clinical Trials as Topic; D015331:Cohort Studies; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D004194:Disease; D005193:Family Planning Services; D005298:Fertility; D005835:Genitalia; D005836:Genitalia, Female; D006470:Hemorrhage; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D010146:Pain; D010298:Parity; D010827:Physiology; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D018873:Pregnancy Rate; D011584:Psychology; D012106:Research; D012816:Signs and Symptoms; D014505:Urban Population; D014566:Urogenital System; D014599:Uterus
keywords: Age Factors; Behavior; Biology; Bleeding; Clinical Research; Clinical Trials; Cohort Analysis; Comparative Studies; Contraception; Contraception Continuation; Contraception Termination; Contraceptive Methods; Contraceptive Usage; Demographic Factors; Diseases; Family Planning; Fertility; Fertility Measurements; Genitalia; Genitalia, Female; Iud; Iud, Copper Releasing; Pain; Parity; Physiology; Population; Population Characteristics; Population Dynamics; Pregnancy Rate--statistics; Psychosocial Factors; Research Methodology; Signs And Symptoms; Studies; Urban Population; Urogenital System; Uterus