Sexually Transmitted Infections (STIs)

Transmission of STIs

A sexually transmitted infection (STI) is an infection that you can get from having sex with a person who is infected. Sex can mean oral sex (mouth on genitals), vaginal sex (penis in vagina) or anal sex (penis in anus).  People can have STIs and have no signs or symptoms of disease.

Common STI Fact Sheets

评论

此博客中的热门博文

世界各国阴茎长度排名与中国男人阴茎的平均长度

美议员说出人们担心的事:中国正筹备第三次世界大战 US Senator spoke of concerns: China is preparing for the World War III