Abortion is a very common type of family planning surgery, although it is a minor surgery risks are also there. The risks of abortion are as follows: 1. intraoperative uterine perforation, the uterus is soft during lactation or the uterus is not well positioned, such as severe anteflexion and retroflexion and malformed uterus, easily perforated. 2. intraoperative and postoperative hemorrhage, during lactation or after cesarean delivery, the uterus does not contract well and bleeding easily occurs. 3. leading to infertility. Serious intraoperative endometrial damage leads to uterine cavity adhesions, low menstrual flow or even amenorrhea, which seriously leads to infertility.4. Leads to risks of endometritis, pelvic inflammatory disease, endometriosis, etc. Therefore, it is important to eliminate inflammation in a timely manner after the operation, and to review the ultrasound to check the uterine recovery in about 0.5 months after the abortion.