title: Extrapolation of IUD retention rates:  an evaluation of some models.
authors.forename: K A
authors.initials: KA
authors.lastname: Rao
authors.forename: M V
authors.initials: MV
authors.lastname: Sholapurkar
mesh_terms: D001208:Asia; D003267:Contraception; D003906:Developing Countries; D003933:Diagnosis; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D007194:India; D007434:Intrauterine Devices; D015993:Life Tables; D008962:Models, Theoretical; D012106:Research; D012153:Retention, Psychology; D013223:Statistics as Topic
keywords: Asia; Contraception; Contraceptive Effectiveness; Contraceptive Methods; Developing Countries; Estimation Technics; Evaluation; Evaluation Indexes; Examinations And Diagnoses; Family Planning; India; Iud; Life Table Method; Mathematical Model; Models, Theoretical; Quantitative Evaluation; Research Methodology; Retention--statistics; Southern Asia; Use-effectiveness