Review of practices that increase the risk of contracting a sexually transmitted disease
Here we are talking about sex with oral, vaginal or anal penetration. When there is penetration, the mucous membranes of the vagina, glans or anus are in direct contact with the sexual secretions of the partner.
During intercourse, ejaculation and the presence of blood (irritated anus, menstruation) increase the risk of contamination. © Dzaleu.com