The ulrtrathin section were used to detect the aborted tissues with Uu. The results showed that the positive isolation rate of ureaplasma urealyticum was significantly higher in the test group than that in the control group(64.6%VS6.8%).

• 结果显示 ；自然流产胚胎组织 U u的检出率为 6 4.；6%25 (5 3/ 82 )；与对照组相比 6