我院自1965年开始应用水囊引产中止中期妊娠(1965—1972年为144例,1973—1975年为388例)。十一年来总共完成532例,其中一次水囊引产成功者有478例,二次者23例,三次者4例,四次者1例,失败者26例,成功率为95％。方法: 一、水囊的制做:取男用避孕套二只,14—18号导尿管一根,粗丝线及橡皮筋数 Our hospital since 1965, the application of water bladder abortion termination of the second trimester pregnancy (1965-1972 144 cases, 1973-1975 388 cases). A total of 532 cases completed in eleven years, of which 478 cases of successful induction of labor in one balloon, 23 cases of secondary, three cases of four cases, four cases in one case, the failure of 26 cases, the success rate was 95%. Method: First, the water sac of the system to do: take male condoms two, a catheter 14-18, coarse thread and rubber band number