The use of incentives for fertility reduction.
D003469:Culture; D003906:Developing Countries; D004467:Economics; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006076:Government; D006801:Humans; D008019:Life Style; D008297:Male; D009042:Motivation; D011247:Pregnancy; D012926:Social Control, Formal