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平均月经初潮年龄是评价少女青春发育状况的一项重要的生理机能指标。目前,我国用于计算平均月经初潮年龄的方法,根据调查资料的性质可分为两类:
The average age of menarche is an important physiological function index for evaluating teenage adolescent development. At present, China’s method for calculating the average menarche age can be divided into two categories based on the nature of survey data: