The main view observed was four-chamber and combined with long axial view, short axial and aortic arch view etc, as well as color Doppler and pulsed Doppler examination.

Objective to study hemodynamic changes in central and peripheral blood vessels of high risk pregnant fetuses and to evaluate the value of color Doppler ultrasound examination in perinatal monitoring.

Conclusion Doppler ultrasound examination is important to evaluate the changes of eyeground arterys blood flows when the retinal pathological changes of the senile diabetes patients.