Thus, the homodynamic monitoring of intraplacental villous arterial flow by Color Doppler ultrasound is of high clinical value to monitor high-risk pregnancy and give prompt treatment.

• 彩色多普勒超声对胎盘绒毛动脉血流动力学的监测为进一步观察胎盘循环提供了直接依据,为临床监测高危妊娠和及时治疗提供了又一有价值的指标。