Generally, the bleeding will improve within 1 week after placing the IUD, but the exact time varies due to individual differences and different treatment effects. Mannuelle ring is a kind of intrauterine device, through the slow release of levonorgestrel, to achieve endometrial atrophy, contraception, etc., clinically used for endometrial hyperplasia, uterine adenomyosis and other diseases of the treatment, generally within 1 week after placing the vaginal bleeding will gradually reduce. At the same time, it should also be noted that the main side effect of placing the Man Yue Le ring is that there is a small amount of irregular vaginal bleeding within six months after the IUD, usually lasts for about 1 week at a time, can not be special treatment, but also can be used as prescribed by the doctor to stop the bleeding of Yunnan Baiyao capsule, sodium kalosulphonate tablets and other medications to treat the patient is recommended to review the gynecological ultrasound every half a year, to observe whether the position of the ring is normal.