Mannix refers to the levonorgestrel IUD system. With levonorgestrel intrauterine device system has been bleeding not many people, has been bleeding may be due to levonorgestrel intrauterine device system will continue to release a small amount of progesterone, and the body’s hormone levels are not synchronized by the cause, generally do not need to worry. With levonorgestrel intrauterine device system has been bleeding may also be placed in the position of the ring is abnormal, caused by inflammation and infection, this time should be timely to consult a doctor to clarify the position of the device, and at the same time to give anti-inflammatory treatment. Bleeding with levonorgestrel intrauterine system usually occurs within 6 months after the ring, after 6 months will naturally return to normal, if the amount of bleeding is not large, not accompanied by other discomforts, generally do not need special treatment, but if accompanied by abdominal distension and other symptoms, you should consult a doctor in a timely manner. Bleeding during the IUD period should pay attention to vulvar hygiene, avoid infection, avoid heavy physical labor, and follow the doctor’s instructions for regular checkups after the IUD.