To spread HIV during sex, HIV infection in blood or sexual fluids must be transmitted to someone. Sexual fluids come from a man's penis or from a woman's vagina, before, during, or after orgasm. HIV can be transmitted when infected fluid gets into someone's body.
You can't spread HIV if there is no HIV infection. If you and your partners are not infected with HIV, there is no risk. An "undetectable viral load does NOT mean "no HIV infection." If there is no contact with blood or sexual fluids, there is no risk. HIV needs to get into the body for infection to occur.
Safer sex guidelines are ways to reduce the risk of spreading HIV during sexual activity.UNSAFE ACTIVITIES
Unsafe sex has a high risk of spreading HIV. The greatest risk is when blood or sexual fluid touches the soft, moist areas (mucous membrane) inside the rectum, vagina, mouth, nose, or at the tip of the penis. These can be damaged easily, which gives HIV a way to get into the body.Vaginal or rectal intercourse without protection is very unsafe. Sexual fluids enter the body, and wherever a man's penis is inserted, it can cause small tears that make HIV infection more likely. The receptive partner is more likely to be infected, although HIV might be able to enter the penis, especially if it has contact with HIV-infected blood or vaginal fluids for a long time or if it has any open sores.
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