Mannual refers to levonorgestrel intrauterine sterilization system. Did uterine polyps put levonorgestrel intrauterine sterilization system on the third day to menstruation to consider and menstruation, IUD after the adverse reaction, etc. Related. 1. The onset of menstruation: If a woman’s menstruation usually occurs in the last few days, she should be alert to the onset of menstruation if vaginal bleeding occurs after the use of levonorgestrel intrauterine device after surgery. 2. Adverse reactions after the IUD: Since the levonorgestrel intrauterine system contains levonorgestrel, it can inhibit endometrial proliferation and also play a contraceptive role, but it can cause adverse reactions such as irregular vaginal bleeding after the IUD. 3. ring shedding: if a woman has more vaginal bleeding after the IUD, be alert to the possibility of levonorgestrel intrauterine sterilization system shedding. Do endometrial polyps put levonorgestrel intrauterine device system on the third day of menstruation for women, it is recommended to the regular hospital gynecology clinic, improve ultrasound and other related examinations, clear cause of the cause of disease in the doctor’s guidance and active treatment.