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为了解月经初潮对女生身心健康的影响，我们于1995年3月至1996年5月对初潮女生进行了调查。1对象与方法对象为聊城地区第三中学及聊城市实验小学的健康女生，计1200名，对其月经初期前后各一月内出现的各种身心变化、学习成绩的改变等进行详细调查，并于初潮后一月内由地区防疫
In order to understand the impact of menarche on the physical and mental health of girls, we conducted a survey of girls with menarche from March 1995 to May 1996. 1 Subjects and Methods Subjects There were 1200 healthy girls in the Liaocheng District No. 3 Middle School and Liaocheng Experimental Primary School. They conducted detailed investigations of various physical and mental changes and changes in academic performance that occurred within the first month before and after the menstrual period. In the first month after the menarche by the regional epidemic prevention