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目的探讨不明原因习惯性流产(URM)黄体中期子宫内膜三维超声能量多普勒血管成像(three-dimen-sional ultrasonography and power Doppler angiography,3-DU-PDA)的参数特点。方法选择南方医院生殖医学中心2007年8月至2009年4月就诊的88例URM患者为实验组,另以正常已生育妇女46例为对照组,比较两组临床特点、黄体中期子宫动脉频谱和子宫内膜3-DU-PDA参数。结果两组间年龄、体重指数、月经第3天血FSH值、尿LH峰日血LH值、排卵后第7天血孕酮值、子宫内膜厚度、子宫动脉搏动指数(PI)及阻力指数(RI)、内膜容积差异无统计学意义(P>0.05);URM组内膜下区域血管指数(VI)、内膜VI和血流指数(FI)、内膜及内膜下区域血管血流指数(VFI)均低于对照组,差异有统计学意义(P<0.05);两组间内膜下区域FI差异无统计学意义(P>0.05)。结论 URM患者围着床期子宫内膜血管化程度降低。
Objective To investigate the parameter characteristics of three-dimen-sional ultrasonography and power Doppler angiography (3-DU-PDA) in the mid-corpus luteum with unexplained habitual abortion (URM). Methods Eighty-eight URM patients from Nanfang Hospital Reproductive Medicine Center from August 2007 to April 2009 were selected as experimental group and 46 normal fertile women as control group. The clinical characteristics, mid-luteal uterine artery frequency spectrum, Endometrial 3-DU-PDA parameters. Results The results of age, body mass index, blood FSH value on the third day of menstruation, LH value on urine LH peak, blood progesterone value on the seventh day after ovulation, endometrial thickness, uterine artery pulsatility index (PI) and resistance index (RI) and intima volume (P> 0.05). The vascular index (VI), intima-media thickness (VI) and blood flow index (FI), intima- Flow index (VFI) were lower than the control group, the difference was statistically significant (P <0.05); between the two sub-intima area FI was no significant difference (P> 0.05). Conclusions The degree of vascularization in URM patients during peri-implantation stage is decreased.