Facts You Did’nt Know

Unprotected vaginal or anal sex exposes you to HIV and other sexually transmitted infections (STIs).
In unprotected sex, HIV can be transmitted to the sexual partner via the body fluids of an infected person (blood, semen, vaginal fluid, premature or anal mucus).
In anal intercourse, there is an increased risk of HIV infection because the anus mucous membrane is more sensitive than the vaginal mucosa and more easily damaged, which is a point of entry for HIV.
The risk of HIV transmission during unprotected oral sex is very low, but there is a risk of other STIs.
The use of condoms is the most effective way to prevent the transmission of HIV and sexually transmitted diseases.
Unprotected sex means sex (vaginal, anal or oral sex) without the use of a condom. This means you risk both HIV and sexually transmitted infections (STIs).

How is HIV transmitted during unprotected sex?

In unprotected sex, HIV can enter the body fluids of an infected person (blood, semen, vaginal secretions, premature or anal phlegm) into the body of their sexual partner. This can be done by lining the penis, vagina, rectum and sometimes mouth and throat.

If a person lives with HIV, it is more likely to be passed on to others in the first few months after infection because the level of virus in their body fluids is high1.

Are some types of sex riskier than others?

Most people get HIV through vaginal or anal sex without protection. Anal sex is the riskiest because the wall of the anus is more sensitive than the wall of the vagina and can be easily damaged. Receptive anal intercourse (“below”) is riskier than anal anal intercourse (“at the top”).

There is a very low risk of contracting HIV through unprotected oral sex, but only if the person who has oral sex has mouth ulcers, ulcers, or bleeding gums, or if the person has intercourse Oral has recently become infected.

If multiple sexual partners and / or STIs occur, the risk of HIV infection from unprotected sex increases.

How can I avoid being infected with HIV in unprotected sex?


Condoms are the most effective way to prevent HIV infection (and sexually transmitted diseases) through vaginal and anal sex as well as oral sex in men. They should be placed before any sexual contact, as HIV can be transmitted through anterior vaginal fluid and anus3.


Slippers or lubricants make sex safer by reducing the risk of vaginal or anal tears caused by dryness or friction. This can also reduce the risk of condom breakage.

Use water-based lubricants instead of oil-based lubricants (such as Vaseline), as oil-based lubricants can weaken the latex of condoms and cause them to break.

Dental dams

A rubber dam is a small plastic wrap that can be used to cover the mouth and vagina or anus to reduce the risk of contracting HIV (and sexually transmitted diseases) during oral sex5.

Pre-exposure prophylaxis (PrEP)

PrEP is an antiretroviral drug given daily by people at high risk for HIV infection. To prevent the sexual transmission of HIV, PrEP is sometimes recommended for:

Someone in constant contact with an HIV-positive partner
Any sexually active person with more than one person, even if recently tested negative for HIV
heterosexual men or women who do not use condoms with partners whose HIV status is unknown and who are at high risk for HIV infection (for example, injecting drugs or having bisexual males)) .6
PrEP can provide high protection against HIV, but is most effective when used with condoms. PrEP is not available everywhere.

If you think you have a high risk of HIV infection from unprotected sex, talk to a doctor about PrEP.

Post-exposure prophylaxis (PEP)

PEP is the use of antiretroviral drugs after an event that puts you in danger of contracting HIV, such as unprotected sex


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