结果与正常组比较，妊娠晚期合并羊水过少的胎儿肾动脉搏动指数明显升高。
Results The PI of fetal renal artery with oligohydramnios were significantly higher than the normal.
目的了解晚期妊娠合并羊水过少胎儿肾动脉血流的特点及其预测胎儿宫内缺氧的价值。
Objective To determine the blood flow characteristics of fetal renal artery in term pregnancies complicated by oligohydramnios, and evaluate the diagnostic value in fetal hypoxia.
目的应用彩色多普勒超声（CDFI）对胎儿宫内生长迟缓（IUGR）的脐动脉（UA）及胎儿肾动脉（RA）的血液动力学进行检测。
Objective To measure the changes of the blood hemodynamics of umbilical artery(UA)and renal artery(RA )of intrauterine growth retardation(IUGR)with color Doppler flow imaging(CDFI).
目的应用彩色多普勒超声检测妊娠高血压综合征(PIH)孕妇及其胎儿的肾动脉血流变化。
Objective To investigate renal artery hemodynamics of pregnancy induced hypertension (PIH) patients and fetus in various degrees by color Doppler ultrasound.
方法应用多普勒超声技术检测112例胎儿的脐动脉、大脑中动脉、肾动脉血流的S/D值、RI值，其中正常妊娠64例，妊高征48例。
Methods The S/d value, RI value of UA, MCA and RA blood flow of 112 fetus cases were detected with color Doppler among them there were 64 cases of normal pregnancy and 48 cases PIH.
方法应用多普勒超声技术检测112例胎儿的脐动脉、大脑中动脉、肾动脉血流的S/D值、RI值，其中正常妊娠64例，妊高征48例。
Methods The S/d value, RI value of UA, MCA and RA blood flow of 112 fetus cases were detected with color Doppler among them there were 64 cases of normal pregnancy and 48 cases PIH.
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