Obstetrics 5-1
5 Obstetrics
Obstetric measurements are used to estimate the GA and EDD, to calculate the growth indices,
including the EFW. The growth estimation is determined by growth curve and fetal biophysical
profile.
5.1 Obstetric Exam Preparations
Make the following preparations before measurement:
1. Confirm that the current probe is appropriate.
2. Check if the current date of the system is correct.
3.
Press <Patient>, register the patient inform
ation in [Patient Info] -> [OB] dialog box. For more details, refer to "Exam Preparation -> Patient Information" in the Operator's Manual
[Basic Volume].
4. Switch to the correct exam mode.
CAUTION:
Ensure the date of the system is correct, otherwise, GA and EDD
calculated will be wrong.
5.2 Basic Measurement Procedures
1.
Press <Patient>, register the patient inform
ation in [Patient Info] -> [OB] dialog box. The clinical GA is calculated when the corresponding data input in this page, see "5.3.1
Clinical GA" for details.
2. Press <Measure> to enter the Application Measurements.
3. Select measurement tool in the menu (or touch screen) to start the measurement.
See the table in "5.4 Obstetric Measurement Tools" below for measurement tools.
See section "5.5 Obstetric Measurement Operations" and steps in "3 General Measurement"
for measurement methods.
4. Press <Report> to view the exam report, see "5.7 Obstetric Exam Report" for details.
5.3 GA
5.3.1 Clinical GA
The GA (Gestational Age) and EDD (Estimated Delivery Date) are calculated according to clinical
parameter(s).
1.
Press <Patient>, register the patient inform
ation in [Patient Info] -> [OB] dialog box. The system automatically calculates the GA and EDD after enter the relative information.
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