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Estab. DD Established Due Date
A user-entered due date based on previous exam data or other
available information. The LMP is derived from the Established Due
Date and is listed in the patient report as LMPd.
ET Elapsed Time
FM (Right and Left) Foramen Magnum (same as SO)
GA by LMP Gestational Age by Last Menstrual Period
The fetal age calculated using the date of the Last Menstrual Period
(LMP).
GA by LMPd Gestational Age by derived Last Menstrual Period
The fetal age calculated using the Last Menstrual Period (LMPd)
derived from the Estab. DD.
Gate Depth of Doppler Gate
Gyn Gynecology
HL Humerus Length
HR Heart Rate
IVRT Iso Volumic Relaxation Time
IVS Interventricular Septum
IVSd Interventricular Septum Diastolic
IVSFT Interventricular Septum Fractional Thickening
IVSs Interventricular Septum Systolic
LA Left Atrium
LA/Ao Left Atrium/Aorta Ratio
Lat V Lateral Ventricle
LMP Last Menstrual Period
The first day of the last menstrual period. Used to calculate
gestational age and EDD.
LMPd derived Last Menstrual Period
Calculated from the user-entered Estab. DD.
Abbreviations in User Interface (Continued)
Abbreviation Definition