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目的了解仙居县学生月经初潮与首次遗精平均年龄,探讨其发育规律,有效地指导学校青春期健康教育。方法以分层整群随机抽样法,对16~18岁2 323名在校高中学生进行无记名问卷调查。结果女生月经初潮和男生首次遗精的年龄分别为12.64和13.51岁,女生月经初潮平均年龄小于全国乡村组调查月经初潮平均年龄0.02岁;男生首次遗精平均年龄小于全国乡村组调查首次遗精平均年龄0.72岁。结论该地区学生月经初潮、首次遗精年龄较早,社会经济和营养状况是影响男女学生性发育的重要因素,有关青春期性生理卫生知识的教育应从小学高年级开始进行较为合适。
Objective To understand the average age of menarche and first spermatorrhea in Xianju County, to explore its developmental rules and to effectively guide the school’s adolescent health education. Methods A stratified cluster random sampling method was used to conduct a census questionnaire survey of 2 323 high school students aged 16-18 years. Results The mean age of menarche in girls was 12.64 and 13.51 years respectively. The average age of menarche in girls was less than 0.02 years. The average age of first spermatorrhea in boys was less than the average of 0.72 years . Conclusions The menarche, the first spermatorrhea age, the socioeconomic status and nutritional status of the students in this area are important factors that influence the sexual development of boys and girls. The education of adolescent sexual health knowledge should start from the upper grades of primary school.