Since the 1970s,especially since its introduction of the reform and opening program,China has formulated a basic state policy to promote family planning so as to slow-down population growth and improve its quality.

• 二十世纪七十年代以来特别是改革开放以来，中国确立了控制人口增长、提高人口素质的人口政策，全面推行计划生育基本国策。