深圳市布吉镇户籍人口出生性别比调查研究

目的:了解深圳市布吉镇1985~2004年常住人口出生性别的动态变化和可能影响因素。方法:利用布吉镇3家公立医院住院的分娩新生儿性别资料,分析该地20年间出生性比例的动态趋势与相关特征。结果:该区域20年的平均出生性别比为115.73:100;大多数年份的性别比例高于联合国规定107:100的警戒线,近10年有向上波动的趋势;性别比与妊娠次数、生育孩次和产妇年龄都有一定的关系。结论:该区域户籍人口出生性别比偏高,而且与生育观念、医疗技术和生育政策有关系。

Research on Birth Sex Ratio of Resident Population in Buji Town of ShenZhen

Objective: To find out the trends of birth sex from 1985 to 2004 and its influencing factors in Buji town of Shenzhen city. Methods: The trends of birth sex ratio and related characteristics during 20 years were analyzed according to data of the newborn babies from three hospital in Buji town. Results: The average ratio of birth sex was 115.73:100 during 20 years in this area. In most of years the birth sex ratio was higher than that (107:100) regulated by U.N. and there were upward trends in latter ten years. The birth sex ratio was related to the pregnancy times and childbirth times and the women's age. Conclusion: The birth sex ratio is a bit higher in this area as it is related to views of family planning, medical technology and some policies.