Population pressure on families: family size and child spacing.
D000293:Adolescent; D000328:Adult; D001723:Birth Rate; D001827:Body Height; D002648:Child; D002675:Child, Preschool; D003677:Deficiency Diseases / Q000453:epidemiology; D004651:Employment; D005191:Family Characteristics; D005193:Family Planning Services; D005260:Female; D005313:Fetal Death; D005502:Food; D006128:Growth; D005102:Health Expenditures; D006801:Humans; D007182:Income; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007360:Intelligence; D008297:Male; D008423:Maternal Age; D009017:Morbidity; D009747:Nutritional Physiological Phenomena; D007744:Obstetric Labor Complications; D009790:Occupations; D010298:Parity; D011158:Population Growth; D011247:Pregnancy; D011627:Puberty; D012923:Social Class; D013020:South America; D013997:Time Factors