我院自１９９７年使用气囊助产仪助产不仅缩短产程，而且降低会阴裂伤率及围产儿病死率。现报道如下。一、资料与方法我院１９９７年５月至１９９８年６月共收治正常足月产妇１０２０例，其中随机选择６０例。年龄２２～３２岁，均系第一胎，妊娠３８～４２周，宫颈评分Ｂ... Our hospital since 1997, the use of balloon midwifery midwifery not only shorten the labor process, but also reduce perineal laceration and perinatal mortality. Report as follows now. First, the data and methods of our hospital from May 1997 to June 1998 were treated normal full-term mothers 1020 cases, of which 60 cases were randomly selected. Age 22 to 32 years old, are the first child, 38 to 42 weeks of pregnancy, cervical score B ...