title: Unmet requirements for contraceptive services.
mesh_terms: D001208:Asia; D002681:China; D003267:Contraception; D003268:Contraception Behavior; D003469:Culture; D003625:Data Collection; D003710:Demography; D003906:Developing Countries; D004467:Economics; D004522:Educational Status; D005006:Ethnicity; D005193:Family Planning Services; D005202:Asia, Eastern; D011153:Population; D011154:Population Characteristics; D012106:Research; D012494:Sampling Studies; D012923:Social Class; D012959:Socioeconomic Factors
keywords: Asia; China; Contraception; Contraceptive Methods Chosen; Contraceptive Usage; Cultural Background; Demographic Factors; Developing Countries; Eastern Asia; Economic Factors; Educational Status; Ethnic Groups; Family Planning; Population; Population Characteristics; Research Methodology; Sampling Studies; Socioeconomic Factors; Socioeconomic Status; Studies; Surveys