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利凡诺用于中期妊娠引产,其成功率达98％,目前国内广泛应用。然其确切机理系今尚未完全弄清,有关利凡诺引产胎盘的形态观察未见详细报告,作者收集利凡诺羊膜腔注射引产胎盘50例,另收集水囊引产和小剖腹产胎盘6例进行对比,观察其形态变化,并初步探讨利凡诺引产的原理。材料及方法共收集胎盘56个。送检胎盘经10％福尔马林固定,一般先经肉眼观察,测量大小,从胎盘正中剖开,取正中,边缘,紧接边缘处的胎膜及远离边缘的胎膜组织各一块。再根据不同
Rivanol for mid-pregnancy induction of labor, the success rate of 98%, is currently widely used. However, the exact mechanism of this Department has not yet fully understood, no specific report on the morphological observation of rivano induced abortion placenta, the authors collected rivanol amniotic injection of abortion placenta in 50 cases, and the other to collect the water bag induced abortion and cesarean section in 6 cases Contrast, observe the morphological changes, and preliminary discussion of the principle of Rivanol labor. Materials and Methods A total of 56 placenta collected. The test placenta was fixed by 10% formalin, the general first by the naked eye observation, measurement of size, cut open from the middle of the placenta, take the median, the edge, immediately after the edge of the fetal membranes and fetal membranes away from the edge of a piece of tissue. According to different