The World Fertility Survey: an international program of fertility research.
D000349:Africa; D000367:Age Factors; D005260:Female; D005298:Fertility; D006306:Health Surveys; D006801:Humans; D007390:International Agencies; D007391:International Cooperation; D008297:Male; D008722:Methods; D009934:Organization and Administration; D010865:Pilot Projects; D011158:Population Growth; D011786:Quality Control; D012106:Research; D012107:Research Design; D012737:Sex Factors; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires; D014798:Vital Statistics