
Having anal sex? Here’s what you need to know to be safe.
Anal sex is the term used for any sexual activity that involves the anus. It doesn’t always include anal intercourse.
The anus is full of nerve endings, making it very sensitive, and many people find anal sex pleasurable. An estimated 90% of men who have sex with men and as many as 5% to 10% of sexually active women have anal intercourse.