[Population survey in the western urban district of Beijing].
D001208:Asia; D002681:China; D003906:Developing Countries; D004493:Education; D005191:Family Characteristics; D005193:Family Planning Services; D005202:Asia, Eastern; D005298:Fertility; D005823:Genetics; D006285:Health Planning; D012736:Sex Education
Asia; China; Developing Countries; Eastern Asia; Education; Family And Household; Family Characteristics; Family Planning; Family Planning Education; Family Planning Programs; Family Size; Family Size, Ideal; Fertility Incentives; Genetics