The fourth month of pregnancy can be aborted, but the pregnancy time has exceeded 14 weeks, need to be hospitalized for induced abortion surgery, in general, about 10 weeks of pregnancy is the best time to carry out abortion surgery, 14-27 weeks belongs to the mid-term pregnancy, the fetus is larger, the bones have been formed, but due to the immaturity of the cervix, so in the process of induced abortion, prone to serious complications, and the recovery is slow compared to suction, on the female body The postoperative recovery is slower than that of suction, which is more damaging to the woman’s body, and attention should also be paid to the prevention of incomplete abortion after the operation. Induced abortion should choose a regular hospital for induced abortion surgery, professional doctors regular operation can reduce the damage to the body. Before induced abortion, it is necessary to make a detailed general examination, gynecological examination, blood pressure, urine routine, leukorrhea routine and other biochemical tests, and if necessary, ultrasound for placenta localization, so as to be well-prepared before the operation.