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月经初潮是女性青春期发育的重要标志 ,为了解现阶段淄博市女生月经初潮及初潮前后身体形态的变化 ,指导青春期保健 ,促进身心健康。我们于 2 0 0 1年 4月对淄博市城乡部分中小学生进行了月经初潮及体质调研工作。1 对象及方法1 1 对象 采用整群抽样方法 ,选择城区 (张店区
Menstrual cramps are an important symbol of adolescent development in women. In order to understand the changes of body shape before and after the menarche and early menarche of girls in Zibo at the present stage, we can guide adolescent health and promote physical and mental health. In April 2001, we carried out menarche and physical investigation of primary and secondary school students in urban and rural Zibo. 1 objects and methods 1 1 object cluster sampling method, select the city (Zhangdian District