15年间我国少数民族女生月经初潮年龄变化趋势

目的:分析我国少数民族女生月经初潮平均年龄及从1985～2000年15年间其月经初潮年龄的变化趋势。方法:收集到1985年、1991年和2000年的部分少数民族女生月经初潮平均年龄,比较其总体的变化趋势,并用统计软件作出趋势图。结果:蒙古族、维吾尔族、壮族、朝鲜族女生月经初潮平均年龄在15年来是逐年提前的,回族在1991～2000年这段期间女生月经初潮年龄出现后退现象。这5个少数民族均呈现出乡村提前的速度快于城市。结论:我国少数民族女生月经初潮平均年龄的"生长长期变化"趋势依然存在,但增长趋势在减缓。

Change trend of menarche ages of the female students of minority nationalities in China from 1985 to 2000

Objective:To analyze the average ages of menarche of the female students of minority nationalities in China and the change trend of menarche age from 1985 to 2000.Methods:The average ages of menarche of the female students of minority nationalities in China in 1985,1991,and 2000 were collected,the total change trend was compared,and trend diagram was drawn by statistical software.Results:The average ages of menarche of the female students of Mongolian nationality,Uyghur nationality,Zhuang nationality,and Korean nationality from 1985 to 2000 decreased year by year,while the average age of menarche of the female students of Hui nationality from 1985 to 2000 increased.Among the female students of Mongolian nationality,Uyghur nationality,Zhuang nationality,Korean nationality,and Hui nationality,the average ages of menarche of the female students in villages were younger than those in cities.Conclusion:The trend of " secular growth changes" of average menarcheal ages of the female students of minority nationalities still remains in China,but the rising tendency is slowing down.