If you’re not completely finished with your period and you’ve had intercourse, you should observe whether your body is uncomfortable after intercourse, and if you don’t have any abnormalities, you don’t have to take special care of it, but you need to use antibiotics under the guidance of your doctor to treat the problem of bleeding and inflammation. It is recommended that you consider having sex 2-3 days after your period has completely cleared. If you have sex before your period has completely ended, the uterine lining will not be completely repaired and the cervical opening will be in an open state, so the invasion of some pathogenic bacteria in the process of having sex may lead to intrauterine infections, increased bleeding, and so on. If you observe no abnormal discharge, abnormal vaginal bleeding, vulvar itching, abdominal pain and other symptoms after coitus, you can first observe without special treatment, but then keep in mind that you should not have coitus when your menstruation is not clean. After coitus there are abnormal discomfort symptoms, may be caused by intrauterine infection, such as endometritis, there are abnormal symptoms to first go to the hospital to check the cause of the disease and then targeted treatment, for example, the results of the examination is endometritis, under the guidance of the doctor with metronidazole, tinidazole and other drugs treatment. Women should learn to protect themselves, do not do something that may harm themselves, if there are symptoms of physical discomfort, should go to the hospital in time, under the guidance of the physician treatment.