GE LOGIQ A100 Technical Publication page 156

OB Measurements
Amniotic Fluid Index (continued)
When all four quadrants have been measured and all
four callipers appear on the screen the AFI will be
calculated and displayed in the Calculation Result Area
of the display.
The normal values are considered to be:
36–40 weeks:
0–5 cm = very low
5.1–8.0cm = low
8.1 – 18.0 cm = normal
>18.0 = high
Dr. Rutherford/Dr. Phelan,
Obstetrics and Gynecology,
Volume 70, No. 3, Part 1, p.
353–6, Sept. 1987.
28–40 weeks:
15.0 cm = average
>20.0 – 24.0 = hydramnios
<5.0–6.0 = Oligohydramnios
Dr. C.C. Smith, The Female
Patient, Volume 15, p.
85–97, March 1990.
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α 100 User Manual
LOGIQ
2211157–100 Rev 0