人工流产术作为一种意外怀孕终止妊娠的措施,被大多数人群所接受。人工流产术的关键是宫颈的松弛度,宫颈内口松、扩张宫颈的时间减少,手术时间缩短,宫颈牵拉、受压引起的人流综合征发生率降低,从而减轻了病人的痛苦, Abortion as a measure of termination of pregnancy by unwanted pregnancies is accepted by the majority of the population. The key to artificial abortion is the relaxation of the cervix, the relaxation of the cervix, the reduction of the time of dilatation of the cervix, the shortening of operation time, the reduction of the incidence of the syndrome caused by cervical traction and compression, and the alleviation of the patient’s suffering.