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Chapter 5 Measurements and Calculations
Measurement
Menu
Item Mode Method Unit
Fetal Biometry
GS(Hellman) All Distance cm, mm
YS All Distance cm, mm
CRL (Hadlock) All Distance cm, mm
NT All Distance cm, mm
NB All Distance cm, mm
BPD (Hadlock) All Distance cm, mm
FL (Hadlock) All Distance cm, mm
AC (Hadlock) All
Circumference or automatic
calculation
cm, mm
Fetal HR M, PW Heart Rate bpm
EFW (Hadlock) All
Ductus Venosus
V All PW Velocity cm/s, m/s
V S Vmax PW Velocity cm/s, m/s
V D Vmax PW Velocity cm/s, m/s
V A Vmax PW Velocity cm/s, m/s
Fetal HR PW Velocity cm/s, m/s
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