What sexual contacts are at high risk of contracting sexually transmitted infections?

What sexual contacts are at high risk of contracting sexually transmitted infections?

Contacts with a high level of risk of infection include any sexual relationship (vaginal, oral and anal) without the use of a condom, sexual intercourse during menstruation and sexual intercourse accompanied by defloration (rupture of the hymen). At the same time, the probability of penetration of pathogens of sexual diseases in the first place depends on the degree of damage to the skin or mucous membranes during intercourse.