Please record the following information
Cerebroplacental ratio
CPR:
Z-score (SDs away from the expected normal mean for this gestation):
(centile:
)
Umbilical artery PI
median
5th and 95th centiles
Middle cerebral artery PI
median
5th and 95th centiles
Cerebroplacental ratio
median
5th, 10th, 90th and 95th centiles
These calculators are based on the analysis of data derived from routine second and third trimester screening studies conducted by the FMF.