Abstract and Introduction. Objective: A range of risk reduction behaviours in which homosexual men practise unprotected anal intercourse (UAI) has been described.

I heard that anal sex causes the rectum This is why unprotected anal sex is often considered riskier than unprotected oral About Anal Sex; About Intercourse;

Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person’s anus, or anus and rectum, for sexual pleasure.

HIV risk levels for the insertive and receptive partner in different types of sexual Unprotected anal intercourse carries a higher risk of sexual HIV transmission

It is important that the man washes and cleans his penis after anal intercourse if he intends to penetrate the vagina.

Barebacking is the term used to describe the practice of gay men who have unprotected anal intercourse and it’s on the increase. Learn more here.

Objectives. We examined the association between unprotected anal intercourse and sexually transmitted diseases (STDs) among heterosexual women.

Using the first method, the HIV transmission risk for unprotected receptive anal intercourse is 0.06%, which is 96% lower than without treatment.

Researchers can then conclude that any unprotected sex reported by a study participant counts as an Boily M-C. HIV transmission risk through anal intercourse:

Several studies have aimed to estimate the average risk of HIV transmission from a specific type of unprotected sex (for example, vaginal/anal/oral; insertive/receptive).