Systolic flow/Diastolic flow:VelRto:Pt:Umbilical artery.between fetus and placenta^Fetus:Qn:US.doppler
systolic flow/diastolic flow:velrto:pt:umbilical artery.between fetus and placenta^fetus:qn:us.doppler
Systolic flow/Diastolic flow:Velocity Ratio:To identify measures at a point in time:Umbilical artery.between fetus and placenta^Fetus:Quantitative:Ultrasound.doppler
systolic flow/diastolic flow:velocity ratio:to identify measures at a point in time:umbilical artery.between fetus and placenta^fetus:quantitative:ultrasound.doppler