WSW are generally at very low risk of HIV infection, whereas bisexual women are at higher risk. Sex between two women is not always safe, and WSW are just as vulnerable to certain sexually transmitted infections (STIs) as women who have sex with men. It is important for women to know the risks and how to protect themselves.
HIV is found in body fluids. It is present in infectious quantities in vaginal secretions, menstrual blood, breast milk, semen and blood. Exposure of these body fluids to mucous membranes (for example oral or vaginal) can potentially lead to HIV infection.
Confirmed female-to-female HIV transmission via sexual contact is rare but there are reports of HIV infection between women who exclusively have sex with women.
Main routes of transmission between women are: