abbr.直接还原铁(Direct Reduced Iron);数据简化翻译程序(Data Reduction Interpreter);研究与情报管理局(Directorate of Research and Information);膳食营养参考摄入量(Dietary Reference Intakes)
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.
Methods Manifestation on two-dimensional images, blood flow velocities, RI and S/D ratio were observed respectively between the normal men and the patients, and statistical treatment was done.
The group of severe preeclampsia SRA PI, RI and S/D values than the control group and the mild and moderate PIH group were significantly higher, the difference was significant(P<0.01).