The gestational sac is 3mm away from the uterine scar is best to do abortion, but the risk of bleeding is high, it is recommended to be admitted to the hospital for surgery. Clinically, it is usually considered that the gestational sac of the current pregnancy is less than 2cm from the uterine scar of the last cesarean section, the distance is too close, it is not recommended to continue the pregnancy, and the risk of hemorrhage is greater than that of ordinary abortion, and the risk of uterine perforation, incomplete abortion, etc., is also significantly higher. For safety reasons, the patient is often admitted to the hospital for surgery, and the abortion is performed under ultrasound guidance. Although the gestational sac is 3mm from the uterine scar, it is not a true keloid pregnancy and is usually treated according to the principles of keloid pregnancy management. Vaginal ultrasound is preferred to confirm the diagnosis, and termination of the pregnancy is often recommended once it is detected. For women with a history of cesarean section, if found pregnant, should be hospitalized as soon as possible to rule out scar pregnancy. After abortion, you should pay attention to more rest, at the same time should relax, to avoid tension, anxiety, any discomfort should be timely to the hospital, the doctor to clarify the diagnosis, and cooperate with the doctor symptomatic treatment.