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The imbalance of sex ratio at birth, and its causes and countermeasures in China.


 This news brief focuses on the sex ratio at birth (SRB) in China, its causes, and remedial efforts. A SRB has been evident since the 1980s. The SRB increased from 108.48 male/100 female births to 116.30 male/100 female births during 1981-94. A normal SRB in China during 1940-94 would have been 107 male/100 female births. The SRB rose every year after 1985, with the exception of 1988. Male births increased, while female births decreased. SRB declined with age. The sex ratio in 1991, was 112.3 for children aged 0-4 years, 108.38 for children aged 5-9 years, and 106.56 for children aged 10-14 years. SRB values were higher in more populous provinces and lower in less populous provinces. SRB values were lower in northwestern China than in southeastern China. SRB values of minorities were lower than the Han ethnic group. A high SRB will increase the proportion single in later years. In 1990, 7.86 million people aged 30-40 years were single, of whom 94.32% were males. The SRB is caused by second, third, or higher birth orders. In 1993, sex ratios were 105.60 for first births, 130.22 for second births, and 126.12 for third births. The imbalance is attributed to a preference for sons as inheritors of blood ties and as family physical laborers. The imbalance is due to strict birth control and people's refusal to report female births. There is a need to increase awareness of the consequences, to increase old-age pensions and social security, to increase women's status, and to prohibit sex determination of a fetus. The family structure should emphasize its consumptive capacity rather than its function as a production unit.
