Parameter
Group 1 Normal fetuses n=77
Group 2 IUGR fetuses n=43
Umbilical artery, PI
0.66 ± 0.14
0.71 ± 0.05
Middle cerebral artery (PI)
0.81 ± 0.47
074 ± 0.38
Renal artery (PI)
0.79 ± 0.44
1.75 ± 0.76**
Renal artery V max
124 ± 13cm/sec
110 ± 26cm/sec