“Sex shouldn’t be painful—unless, of course, you want it to be,” says Script collaborator Dr. Jessica Nazareth in her latest video. 

If you find that you’re experiencing unwanted pain during sex, it’s definitely worth investigating the underlying cause. There are lots of factors that can cause people with vaginas to feel discomfort during penetration, from infections to conditions like endometriosis—even the side effects of some very common medications can lead to pain.  

Here, Dr. Nazareth unpacks some of the most common causes of pain during sex, and what you can do about them.