Under normal circumstances, the patient with the ring can not have intercourse within one month, it is best to have a menstrual ultrasound review, no abnormality before having intercourse. If the patient with the ring one week coitus, you need to pay attention to the following two aspects of the situation: first, pay attention to whether the patient has abdominal pain, vaginal discharge increased signs of infection. If there is such a situation then you need to do gynecological internal examination, leukorrhea test. After checking out the site and type of inflammation, choose the appropriate antibiotics, and carry out treatment in sufficient quantity and course. It is important to treat the inflammation thoroughly to avoid the formation of chronic inflammation which may cause the destruction of the endothelium, adhesion and tubal impassability. Secondly, we should observe whether the patient has vaginal bleeding or delayed menstruation. If there are these two cases, it is necessary to do an ultrasound in time to observe whether the patient has the displacement of the birth control ring or unwanted pregnancy. If these two situations occur, the need to remove the ring or abortion. If there is no such situation, it proves that the patient with the ring a week of coitus, the patient does not cause too great an impact on the patient does not need to be dealt with.