广西农村地区男性青少年第二性征发育和遗精年龄的调查分析

目的了解广西农村地区男性青少年第二性征发育和遗精年龄的状况与规律。方法对广西农村地区男性青少年（12～16岁）首次遗精时间进行调查并测量睾丸容积、阴茎长度和直径，观察阴毛并分期及喉结发育情况。结果广西农村地区男性青少年首次遗精的平均年龄为（14．52±0．08）岁，12～16岁各年龄段睾丸容积、阴茎长度和直径及喉结发育的第二性征发育的相关数据与国内有关报道基本相近。结论广西农村地区男性青少年首次遗精的平均年龄与全国的平均年龄相近，青春期的启动年龄亦与其他报道相似。

A survey of secondary sexual character development and the age of spermatorrhea in rural youngsters of Guangxi

Objective To analyze the status and variation trend of the sexual character development and the age of spermatorrhea in rural youngsters of Guangxi. Methods The survey was carried out in rural youngsters of Guangxi, aged from 12 to 16 years. The first spermatorrhea time were asked. Testiular volume, penile length and diameter were measured. Pubic hair were observed and divided into stages. Adam＇ s apple were examined. Results The average age of first spermatorrhea is （ 14.52 ：t： 0. 08） years old, and the secondary sexual character development data in different age from 12 to 16 years old were collected, which including testiular volume, penile length and diameter, adam＇s apple development, the obtioned data was similar to the domestic related reports. Conclusion The overage age of the first spermatorrhea in rural youngsters of Guangxi was similar to that of national average age. Their age of starting puberty was similar to other reports.