Aborto Inducido; Tasa de Natalidad; Condones; Anticoncepción; Anticonceptivos Orales; Servicios de Planificación Familiar; Fertilidad; Dispositivos Intrauterinos; Matrimonio; Población Rural; Población Urbana; Asia; China; Conducta Anticonceptiva; Demografía; Países en Desarrollo; Asia Oriental; Estado Civil; Población; Características de la Población; Dinámica Poblacional

Abortion Rate; Abortion, Induced--determinants; Asia; Barrier Methods; China; Condom; Contraception; Contraception Failure; Contraceptive Effectiveness; Contraceptive Methods; Contraceptive Usage; Currently Married--women; Demographic Factors; Developing Countries; Eastern Asia; Family Planning; Family Planning, Behavioral Methods; Fertility; Fertility Control, Postconception; Fertility Measurements; Fertility Surveys; Iud; Marital Status; Natural Family Planning; Nuptiality; Oral Contraceptives; Population; Population Characteristics; Population Dynamics; Research Report; Rural Population--women; Urban Population--women