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资料与方法 1 临床资料 1998年6月至1998年12月,凡孕妇在孕初期患有疾病且用过对胚胎有害的药物,已孕13～26孕周,经B超检查证实胎儿有畸形不易继续妊娠,自愿要求中孕引产的孕妇作为研究对象。年龄21～40岁,平均年龄26.45岁,初产妇26例,经产妇29例,观察组27例,利凡诺100mg引产并运用TD-200型气囊助产仪扩张宫颈口。对照组28例,利凡诺100mg引产不加气囊助产。
Materials and Methods 1 Clinical data June 1998 to December 1998, all pregnant women in early pregnancy suffering from diseases and used embryos harmful drugs, has been pregnant 13 to 26 gestational weeks, the B-ultrasound confirmed fetal malformations are not easy Continue to pregnancy, volunteered that pregnant women induced labor in pregnant women as the research object. Aged 21 to 40 years, mean age 26.45 years old, 26 cases of primipara, 29 cases of maternal and observation group, 27 cases, 100mg rivanol induction of labor and the use of TD-200 balloon dilatation cervix. The control group of 28 cases, Rivanol 100mg induction of labor without balloon midwifery.