If intercourse is too frequent, frequent intercourse can easily cause changes in the vaginal environment, which can lead to dysbiosis causing various types of vaginal inflammation, such as mycosis, bacterial vaginitis, and non-specific vaginitis. In addition, intercourse stimulation can also adversely affect the cervix, making it susceptible to various acute and chronic cervical inflammations and increasing the chances of celiac disease. If you have intercourse during menstruation, you are also prone to endometrial inflammation and endometriosis, two diseases that are the main causes of subsequent pregnancy. After the appearance of these two diseases, it is also easy to have painful intercourse, or the usual lower abdominal swelling, vague pain and increased leucorrhea. Therefore, the frequency of intercourse should not be too frequent, to 2-3 times a week is better, before and after intercourse should pay attention to the external genital cleanliness of both parties, the action should not be too rough. You should also avoid intercourse during menstruation to avoid endometriosis and inflammation of the endometrium.