The ex tent to which women choose in duced abor tion is, in all like li hood, de ter mined by both their back ground char ac ter is tics and the na tion's par ity-spe cific fer til ity pol icy.China, which has the world's largest population and the most stringent family planning programme, has experienced one of the world's most remarkable fertility declines. A number of censuses and surveys in China, plus an extensive body of international studies, have consistently documented and examined the rapid fertility transition in the country over the last 30 years (see for example Lin, s family planning programme is directly related to changes in the proximate determinants of fertility and induced abortion is recognized as a major contributor to the fertility decline.