1、过早的性生活可造成生殖器管道损伤及感染由于青春期少女生殖管道发育尚不成熟,外阴及阴道都很娇嫩,阴道短表面组织薄弱,性交时可造成处女膜的严重撕裂及阴道裂伤而发生大出血,同时还会不同程度地将一些病原微生物或污垢带入阴道,而此期女性自身防御机能较差,很容易造成尿道、外阴部及阴道的感染,如控制不及时还会使感染扩散。 1, premature sex can cause genital duct injury and infection as adolescent girls reproductive tract immature, vulva and vagina are delicate, short vaginal tissue weakness, sexual intercourse can cause severe tearing of the hymen and vaginal laceration While the occurrence of major bleeding, but also to varying degrees, some of the pathogenic microorganisms or dirt into the vagina, while women’s own defensive function is poor, it is likely to cause urethral, ​​genital and vaginal infections, such as control can not make the infection in time diffusion.