Menstruation is menstruation, menstruation six or seven days before the IUD and more than ten days after the IUD lasts no more than half a year is normal, but when more than half a year is still not recovered, it is not normal. IUD refers to the placement of intrauterine ring, is commonly used by women of childbearing age, safe and effective contraceptive methods, after the ring can be increased menstrual flow, menstrual period prolongation and other side effects, so the IUD after the menstrual period of more than 10 days is also normal, generally do not need special treatment, mostly in 3 to 6 months after the gradual recovery, but when the six months after the improvement is still not needed, the need for timely medical treatment, the need for removal of the ring, if necessary. After the IUD should pay attention to appropriate rest, pay attention to personal hygiene, keep the vulva clean and dry, avoid physical labor and strenuous exercise, prohibit sexual intercourse and pelvic baths for 2 weeks, and comply with the doctor’s instructions to review the follow-up on time, in order to clarify the situation of the intrauterine ring in the uterine cavity, and to ensure the effectiveness of contraception.