Methods The cervical swabs, fetal membrane and umbilical cord from 46 cases of PROM, 7 cases of premature delivery (study group), and 32 normal pregnancies (control group) were cultutred for UU.

• 方法采用分离培养法，分别对46例胎膜早破和7例早产患者(试验组)以及32例正常妊娠(对照组)妇女的宫颈分泌物、胎膜和脐带进行UU检测；