贵州省水族地区夫妇原发不孕率调查分析

Prevalence of primary infertility among couples in Shui nationality area of Guizhou Province

目的：了解贵州省水族地区夫妇的原发不孕率及可能的影响因素。方法：采用随机整群抽样的方法，在贵州省三都水族自治县随机抽取10个乡镇作为研究现场，以在该10个乡镇居住的18－49岁初婚育龄妇女或其丈夫为研究对象，于2011年9月－2012年4月开展横断面调查。结果：共调查7445位已婚育龄妇女或其丈夫，7153份问卷合格。该地育龄夫妇的原发不孕率为11．37％。多因素分析显示，妇女计划妊娠年龄小、月经初潮年龄较大、文化程度低、职业为在机关事业单位工作，以及丈夫为以工为主的农民、有饮酒、吸烟习惯是原发不孕的危险因素。结论：贵州水族地区夫妇的原发不孕率为11．37％，夫妇的人口学特征及不良生活习惯是不孕的影响因素。

Objective： To explore the prevalence rate of primary infertility among couples in Shui nationality area of Guizhou Province. Methods： A cross--sectional study was conducted between September 2011 and April 2012 at 10 towns in Sandu Shui nationality autonomous county of Guizhou Province. Women who were 18--49 years old, in their first marriage and living in the selected towns were recruited. Results： A total of 7 153 women and their husbands were included in the final analysis. The prevalence rate of primary infertility was 11.37%. Younger maternal age, older menarche age, lower education and working in public institutions of women were risk factors of primary infertility. Furthermore, husbands occupation （migrant workers）, drinking and smoking habits were associated with primary infertility. Conclusion： The prevalence rate of primary infertility among couples in Shui nationality area is 11.37%. The demographic characteristics and life style of couples may influence the prevalence rate of primary infertility.