Are there physical signs that indicate someone has an STI?

Just when you thought the list couldn't possibly get any longer...

Everything you should know about HPV—from one of the 80% of women who will have it.

There's good news and bad news: You can’t get pregnant from oral sex, but you can get a sexually transmitted infection.

Let’s talk HPV—causes, treatments, and prevention.

Contrary to popular myth, modern IUDs don't cause pelvic inflammatory disease (PID).

Birth spacing: Another reason to say "Thanks, birth control!"

Taking good care of those pearly whites could make you less likely to have oral HPV.