【摘要】 本文报道了阴道超声辐射后人类胚胎绒毛超微结构的改变。将９名早孕妇女随机分成正常对照组（Ａ组）、辐射５分钟组（Ｂ组）、辐射１０分钟组（Ｃ组）。结果发现，用阴道超声特续照射１０分钟可使微绒毛断裂、丢失、杂乱无章及粗面内质网扩张等。更多还原

【Abstract】 Changes in ultrastructure of human villi exposed to vaginosonography were studied.9 cases of early pregnant women were by random divided into three groups:A(control group) B(respectively exposed for 5 minutes)and C(respectively exposed for 10 minutes).The result shows that breaking、losing、disorganized of the microvilli and expandding of RER were found in continuous exposure for 10 minutes.更多还原