Sexually transmitted diseases is poorly understood diseases and therefore still very common. They are transmitted through semen, vaginal secretions, blood and saliva from an infected person to a healthy one. For this reason all sexual intercoruses that are considered at risk.
To protect themselves is essential to use a condom, in a correct way, that is, for the entire duration of intercourse. Condom is effective against sexually transmitted diseases, also in oral and anal intercourse.