为了探讨男性青春期性发育开始与不同性成熟程度的时间，以便为开展青春期健康教育提供参考资料，我科自1994年以来对泉州市区部分中小学生进行性发育检查及尿液精子检查，现报道如下。1对象与方法1．1对象：在泉州市区2所中学和2所小学的学生中，随机选取9－16岁健康男性学生3 In order to explore the timing of male adolescent sexual development and different levels of sexual maturity in order to provide a reference for the development of adolescent health education, our department has conducted sexual development and urine sperm testing in some primary and secondary school students in Quanzhou since 1994. as follows. 1 Objects and methods 1.1 Subjects: Among the students in 2 secondary schools and 2 primary schools in Quanzhou, randomly select 9-16 year-old healthy male students 3