长春市小学女生月经初潮提前情况分析

目的了解东北某地区城市女孩月经初潮年龄提前的概况，探讨该概况与身高、饮食、遗传的关系，并给予心理、生理方面的健康指导。方法对长春市某重点小学4～6年级女学生1039人进行问卷调查，收集、整理并进行相关资料分析。结果月经初潮最小年龄为8．6岁。六年级月经来潮者121人，占29．66％，平均年龄11．10岁。五年级月经来潮者25人，占8．17％，平均年龄10．80岁。四年级月经来潮者6人，占1．84％，平均年龄9．10岁。结论城市女孩月经初潮时间呈现逐步提前趋势。与身高，饮食结构有较大定关系，与遗传因素的关系不明显，应引起重视。

Analysis of earlier age of menarche among girls in primary schools of Changchun City

Objective To understand the girl age at menarche in advance in Changchun City, and explore the relationship between the situation and the height, diet and heredity respectively, so as to give them physiological and psychological health guidance. Methods A total of 1 039 girl pupils （Grade 4-6） from a key primary school of Changchun City were investigated with questionnaire and the data were analyzed statistically. Results The minimum age for menarche was 8.6 years. In Grade 6, 121 girl pupils had menstrual period with 29.66% of the whole, and the average age was 11.10 years. In Grade 5, 25 girl pupils had menstrual period with 8.17 of the whole, and the average age was 10.80 years. In Grade 4, 6 girl pupils had menstrual period with 1.84 of the whole, and the average age was 9.10 years. Conclusions The menarche time of city girl appears gradually in advance, which has the correlation with the height and diet, but has no obvious correlation with genetic factors.