Sexually transmitted infections (STI) is a group of infections that may transmit through vaginal, oral and anal sexual intercourse.
classical STI
Chlamydia
Genital chlamydia is a sexually transmitted infection caused by the Chlamydia trachomatis bacterium. Sexually active young people are most at risk of chlamydia, and women below 24 years of age have the highest number of infections in Europe.
Gonorrhoea
Gonorrhoea is a sexually transmitted infection (STI) caused by Neisseria gonorrhoeae bacteria. Urethral infections in men and uro-genital infections in women are the main presenting feature, but a broad spectrum of clinical presentations can occur, including systemic dissemination with fever and skin and joint involvement.
Syphilis
Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. It may also be transmitted mother-to-child (congenital syphilis).
Blood-borne virus such as HIV infection, hepatitis B and hepatitis C could be sexually transmitted.