If you have experienced bleeding after sex, it may have been a bit scary. There are a variety of reasons whyit could be happening andidentifying the cause is important. Equally significant is remembering that bleeding during or after sex is nothing to be ashamed of and a healthy partner will not think less of you for it.We'verounded up the reasons you might be bleeding after sex, to learn more about why it's happening and what you may be able to do about it. You might have an STI you aren't aware of.Bleeding after sex could be an indication of an undiagnosed STD. "The inflammation of your cervix causes the blood vessels there to swell," Ian Currie, consultant gynecologist at BMI The Chiltern Hospital told Women's Health. As you continue to have sex, the blood vessels have a greater potential to burst. One type of STI is trichomoniasis which is caused by a single-celled parasite. Cervical discharge and bleeding are the most common symptoms of trichomoniasis. Fortunately, it is easily treated with an antibiotic, Very Well Health reports. When your vagina is dry, bleeding can occur.Causes such as menopause can lead to a dry vagina. When your vagina is dry, you may experience bleeding from friction during sex, the NHS reports. This can be helped by talking to your doctor about what could be causing vaginal dryness, using proper lubrication, and starting slow.Polyps aren't dangerous, but they may cause bleeding.Polyps are noncancerous growths that can be found on the endometrial lining of your uterus or the cervix. According to Healthline, the polyps can irritate the surrounding areas and lead to bleeding after sex.See the rest of the story at Business Insider Click here to read full news..