GE LOGIQ A100, Technical Publication

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OB Report Page
198
LOGIQ
t α
100 User Manual
2211157–100 Rev 0
European Version (cont’d)
Calc
Mnemonic
Calc Name Input
Measurements
Formula Author
Reference
EFW Estimated
Fetal Weight Average of BPD
and Average of
TAD [mm] EFW[kg] =
0.515263 –
(0.105775*BPD)
+(0.000930707*
(BPD)
2
) +
(0.0649145*TAD) –
(0.00020562*
(TAD)
2
)
German
EFW Estimated
Fetal Weight Average of BPD
and Average of AC
[cm] EFW [g] =
10
ƞ
(3–1.7492 +
0.046*AC +
0.166*BPD –
0.002646*AC*BPD)
Shepard :
Richards/
Berkowitz
EFW Estimated
Fetal Weight Average of FL,
Average of AC and
Average of HC [cm] EFW [g] =
10
ƞ
(1.5662 –
(0.0108*HC) +
(0.0468*AC) +
(0.171*FL) +
(0.00034*(HC)
2
) –
(0.003685*AC*FL))
Hadlock,
Radiology,
150 : 535,
1984
FL/AC FL/AC ratio Average of FL and
Average of AC FL/AC Hadlock, AJR,
141 : 979,
1983
FL/HC FL/HC ratio Average of FL and
Average of HC FL/HC Hadlock,
JUM, 3 : 439,
1984
FL/BPD FL/BPD ratio Average of FL and
Average of BPD FL/BPD Hadlock,
AJOG, 141 :
759, 1987
CI Cephalic
Index Average of BPD
and Average of
OFD BPD/OFD short
distance HC/long
distance HC Hadlock, AJR,
137 : 83, 1981
HC/AC HC/AC ratio Average of HC and
Average of AC HC/AC Campbell,
BRJ.OG, 84 :
165, 1977
FL/Ft FL/Ft ratio Average of FL and
Average of Ft FL/Ft
BD/BPD BD/BPD ratio Average of BPD
and Average of BD BD/BPD
Table 16. European Version Formulas (cont’d)