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我院于1997年起将于脐带用于钳刮术前起扩张宫颈的作用，替代了原有的扩宫器及导尿管等扩张宫颈的方法，取得满意效果，现将体会介绍如下。1资料与方法对于孕周为Ic～13周失去早期人工流产的机会，要求终止妊娠者，尤其是初产妇及剖宫产术后宫口较紧者。我院使用干脐带进行术前
Our hospital will be in 1997 from the umbilical cord for forceps to expand before the expansion of the role of the cervix to replace the original expansion of the dilator and urinary catheters and other methods of expansion of the cervix and achieved satisfactory results, the experience will be introduced below. 1 Materials and Methods For gestational weeks for Ic ~ 13 weeks lost early abortion opportunities, require termination of pregnancy, especially in primipara and cesarean section tight cervix. Our hospital use dry umbilical cord for preoperative