对于性发育延迟这一概念，通常认为：性成熟外表性征较大多数青少年群体性成熟平均年龄落后2年，就看作是性发育延迟。根据临床表现分为以下几种类型，其中有体质因素，也存在其他发病机制．需要区别治疗。！型：体质一躯体型，该型常诊断于12岁以上的男孩，其特征为：①生长延 For the concept of delayed sexual development, it is generally considered: Sexual maturity appearance of sexual maturity compared with the majority of adolescents group average age of 2 years behind, as the delay in sexual development. According to clinical manifestations are divided into the following types, including physical factors, there are other pathogenesis. Need to be treated differently. ! Type: a physical body type, the type often diagnosed in boys over the age of 12, characterized by: ① growth delay