Hey, An infection in your genital area or urinary tract can cause painful intercourse. Eczema or other skin problems in your genital area also can be the problem. endometriosis, pelvic inflammatory disease, uterine prolapse, retroverted uterus, uterine fibroids, are some of medical causes ,so if you have some other symptoms along with this you must consult gynaecologist Psychological problems. Anxiety, depression, concerns about your physical appearance, fear of intimacy or relationship problems can contribute to a low level of arousal and a resulting discomfort or pain. Stress. Your pelvic floor muscles tend to tighten in response to stress in your life. This can contribute to pain during intercourse.