Family planning programs.
D003153:Community Health Services; D003695:Delivery of Health Care; D003906:Developing Countries; D005193:Family Planning Services; D005260:Female; D006266:Health Education; D006291:Health Policy; D006801:Humans; D008297:Male; D009874:Operations Research; D012107:Research Design; D012109:Research Support as Topic; D013245:Sterilization, Reproductive; D014481:United States; D014944:World Health Organization