Population, family planning, and human ecology.
D001723:Birth Rate; D003142:Communication; D003267:Contraception; D003270:Contraceptive Agents / Q000008:administration & dosage; D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D004463:Ecology; D004777:Environment; D004989:Ethics; D005069:Evaluation Studies as Topic; D005193:Family Planning Services / Q000193:education*; D005260:Female; D005298:Fertility; D006801:Humans; D007434:Intrauterine Devices; D007878:Legislation as Topic; D008019:Life Style; D009026:Mortality; D011155:Population Control; D011158:Population Growth; D011632:Public Assistance; D012942:Social Sciences; D012959:Socioeconomic Factors
D003270:Contraceptive Agents; D003276:Contraceptives, Oral