Why You Smell a Certain Way After Sex, According to a Doctor

Foul down-there odor after sex? Health's resident medical editor explains what it could mean.

Some odor after sex makes sense: You’re doing an aerobic activity that involves vaginal secretions, possibly semen, a lubricant, and a latex condom, not to mention two sweaty humans. But if the scent definitely smells off, there could be an underlying health-related reason.