Maybe you just need more lube; maybe it's a sign of something more serious. At its most basic, sex is about exchanging bodily fluids. The good news: Postcoital bleeding, as bleeding or spotting after intercourse is officially called, may be embarrassing and worrisome. But if it happens more than once, it's time to check in with your doctor.

Error: This is required. Error: Not a valid value. Many women will experience vaginal bleeding after sex. The blood usually comes from the cervix, although other parts of your reproductive system may be involved. Let them know if you could be at risk of a sexually transmitted infection.

What would cause you to bleed after sex? But if your first sexual experience is long past and you notice bleeding after sex, you should have it checked out. Cleveland Clinic is a non-profit academic medical center.

It is normal to bleed after sex if it your first time or if it has been awhile since your last sexual experience. However, if this is not the case, then bleeding after intercourse can be caused by trauma to the vagina, menstruation, a symptom of a sexually transmitted disease, or a cervical polyp. Read below for more information on causes and treatment options for bleeding after sex.