Recently, a whole group of such diseases has been identified. So the traditional name was replaced by «sexually transmitted diseases». This includes classical diseases and several more new. «New» was determined thanks to new equipment. It is possible that not all existing pathogens are opened yet. This group includes chlamydia, mycoplasmosis, ureaplasmosis, trichomoniasis, infectious urethritis, herpes of the organs of the reproductive system and other infections.