本文用随机、双盲、对照的方法对239例行人工流产术的孕妇在扩宫前用利多卡因对子宫颈管表面麻醉,观察其在人工流产中的作用与效果。 1 资料与方法 1.1 观察对象 1991年6月至1993年3月在我院人工流产的孕妇,随机分为A、B两组。A组为利多卡因 In this paper, a randomized, double-blind, controlled method of 239 cases of abortion pregnant women with lidocaine on the cervical canal surface anesthesia before dilation to observe its role and effect in abortion. 1 Materials and Methods 1.1 The object of observation June 1991 to March 1993 in our hospital induced abortion pregnant women were randomly divided into A, B two groups. Group A is lidocaine