Measurement and Calculation
8-25
b) In Basic OB, Complete OB and Mult Gest exam types in obstetrics application,
press
Calc key to select BPD, HC, AC, FL and EFW for measurement.
c) After completing measurement, press
Calc, select Growth Charts and press
Enter. Growth chart menu will appear in the screen center. See Table 8-13.
Table 8-13 Growth Chart Menu
Menu Description
BPD_Hadlock Biparietal diameter growth curve—Hadlock method
HC_Hadlock Head circumference growth curve—Hadlock method
AC_Hadlock Abdominal circumference growth curve—Hadlock method
FL_Hadlock Femur length growth curve—Hadlock method
EFW_Hansmann Fetal weight growth curve—Hansmann method
BPD_Hansmann Biparietal diameter growth curve—Hansmann method
HC_Hansmann Head circumference growth curve—Hansmann method
AC_Hansmann Abdominal circumference growth curve—Hansmann method
FL_Hansmann Femur length growth curve—Hansmann method
FIBL_Hansmann Fibula length growth curve-Hansmann method
BPD_BJ-0B-GYN-Hosp Growth curve for Chinese population
FL_Southern Hosp Growth curve for Chinese population
d) Select any menu item, e.g. BPD_Hansmann growth curve, and press Enter to
enter growth chart screen. There are two gestation ages and estimated dates of
delivery for user reference: one is calculated from LMP, the other from BPD. In the
growth chart there are three curves: the middle one is fetal age curve, the other
two curves are fetal age errors. The real measurement result of BPD is marked
with * in the growth chart. If the * is within the range of the curves, the fetal is
normal; if the * is above the curve, the fetus is larger than normal; if the * is below
the curve, the fetus is smaller than normal.
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