Blood-thinning medications may also have this effect. Cervical dysplasia Cervical dysplasia occurs when abnormal, precancerous cells grow in the lining of the cervical canal, which is the opening separating the vagina and uterus. Mucus-producing tissues, such as those in the vagina, are especially vulnerable. Anyone who engages in sexual intercourse can experience postcoital bleeding. Ovary damage or removal: The Pap test also detects any sign of abnormal, precancerous growths or cancer cells. During sexual arousal, vaginal tissues secrete natural lubricants, which help to prevent dryness and damaging friction during intercourse. It occurs most commonly in women 20 to 40 years old. But it can also be caused by an infection, and in rare cases, it's a sign of cervical cancer. Douching can irritate and dry vaginal tissues. Common causes of vaginal dryness include: Once called vaginal atrophy , GSM refers to reduced lubrication, thickness, and elasticity of vaginal tissue. They commonly grow on the lining of the cervix or uterus, especially in menstruating people, and can cause pain and bleeding. The medical community typically uses this term to describe bleeding from the vagina, a fairly common occurrence caused by a wide range of factors. These growths can irritate and eventually damage surrounding tissues, especially during intercourse.