在用利凡诺尔羊膜腔内注射行中期引产的60例患者中,对30例患者宫颈管放置1次性宫颈扩张棒(简称宫颈棒),与30例未放宫颈棒者产程相比,前者产程明显缩短,报告如下。 对象与方法 一、对象:为我科1993年11月至1994年9月住院引产病人,临床确诊宫内孕16～24周的单胎妊娠,自 Among the 60 patients who received midventricular induction of labor with rivanol in the mid-term, one-time cervical dilational rods (referred to as cervical rods) were placed on the cervical canal of 30 patients. Compared with 30 cases of non-cervical ligation, the former Obvious shortening of labor, the report is as follows. Subjects and methods A, object: for our department November 1993 to September 1994 hospitalized patients, clinically diagnosed intrauterine pregnancy of 16-24 weeks of singletonic pregnancy, since