Painless abortion generally does not leak suction, but the specific situation is also related to the size of the gestational sac and the doctor’s level of operation, if the gestational sac is small or the doctor’s operation is not proper, then leakage of suction may occur. 1. The size of the gestational sac: Leakage of suction refers to the phenomenon of not suctioning out the chorionic tissue and the placenta during the abortion, so that the embryo will continue to develop, or the embryo will die. If the gestational sac is small, it will be easy for suction leakage to occur. Before doing painless abortion, it is important to go to a regular hospital for a good ultrasound examination, and to go to the hospital on time for a review after the painless abortion. 2. The doctor’s level of operation: If the painless abortion doctor is not operating properly, the uterus is not cleaned up, it is easy to leakage of suction, suction incomplete situation, so the painless abortion must go to the regular hospital, looking for a professional doctor to operate. After the painless abortion should go to the hospital in time to avoid serious consequences, at the same time, after the operation should be protected from cold and warm, pay attention to rest.