Unprotected anal sex, regardless of whether it is practiced by straight or gay couples, is considered the riskiest activity for sexually transmitted diseases because of the physical design of the anus: It is narrow, it does not self-lubricate, and the skin is more fragile and likely to tear, allowing STDs such as HIV and hepatitis easy passage into the bloodstream. To make matters worse, the area is an ideal home for STDs. Bacterial infections such as gonorrhea and chlamydia love warm, moist environments and the type of cells that line the anus. While unprotected anal sex is much more risky for the receptive partner, the insertive partner is not free from risk.
Anal Sex | HIV Risk and Prevention | HIV/AIDS | CDC
After couple-years of follow-up and 77, acts of unprotected anal intercourse, no HIV transmission from HIV-positive partners took place and the researchers concluded that the risk of HIV transmission in these circumstances was effectively zero Rodger. If viral load is detectable, condomless anal intercourse is a highly efficient way of transmitting HIV, and it is considered a high-risk activity for both partners, although the exact degree of risk can depend on many factors. For each condomless act with an untreated HIV-positive partner, the risk of infection has been estimated at 1. However, it may be 10 to 25 times higher if the positive partner is recently infected. Studies have identified several other factors that further increase the risk of transmission.
If you buy something through a link on this page, we may earn a small commission. How this works. Anal sex is the practice of inserting the penis, fingers, or a foreign object such as a vibrator into the anus for sexual pleasure.
Unprotected anal sex poses well known health hazards for men, but new research suggests that the practice is a significant health issue for women as well. More than , New York City women engage in anal intercourse each year, according to a new report from the Health Department, and many are not taking the steps needed to prevent HIV and other sexually transmitted infections. Anal membranes are easily damaged during sex, facilitating the spread of infection. Past studies suggest that anal exposure to HIV poses 30 times more risk than vaginal exposure.