[A comparative study of performance of four IUDs inserted after menstruation].
Ho
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JL
D001208:Asia; D001723:Birth Rate; D002681:China; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D003906:Developing Countries; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005202:Asia, Eastern; D005298:Fertility; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D010342:Patient Acceptance of Health Care; D011153:Population; D011157:Population Dynamics; D018873:Pregnancy Rate; D012106:Research; D013223:Statistics as Topic
Asia; China; Comparative Studies; Contraception; Contraception Continuation--statistics; Contraception Termination--statistics; Contraceptive Effectiveness; Contraceptive Methods; Contraceptive Usage; Data Analysis; Demographic Factors; Developing Countries; Eastern Asia; Family Planning; Fertility; Fertility Measurements; Iud; Iud, Copper Releasing; Iud, Unmedicated; Method Acceptability; Population; Population Dynamics; Pregnancy Rate--statistics; Research Methodology; Studies; Use-effectiveness