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近来国内外对女学生月经初潮研究较多，但均是回顾性调查。由于学生记忆不清误差甚大。为了准确掌握我市女生月经初潮的年龄及初潮时身体各项发育指标的均值，我们于1996年4月至1997年1月，对11490名女生进行调查询问，其中6055名未来潮女生进行随访，当发生初潮时立即进行检查
Recently, there are many studies on female students’ menarche at home and abroad, but all of them are retrospectively investigated. Due to poor student memory error is very large. In order to get an accurate grasp of the age of menarche in our city and the mean value of various developmental indexes of the body at the time of menarche, we surveyed 11,490 female students from April 1996 to January 1997, of whom 6,055 prospective girls were followed up, When the menarche occurs immediately check