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KMID : 0376119920190020185
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Medical Journal of the Red Cross Hospital
1992 Volume.19 No. 2 p.185 ~ p.190
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Estimation of Fetal Weight with the Utilization of Ultrasound
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Abstract
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Birth weight is an important predictor of perinatal mortality. One of the most frequent indication for sonography in obstetrics is to estimate fetal weight by measurement of biparietal diameter(BPD), fetal abdominal circumference(FAC) and femur
length(FL).
This study is a clinical trial to evaluate the accuracy of the realtime ultrasonographic estimation of fetal weight by measurement of BPD, FAC and FL and was studied in 81 patients who were delivered within 72 hours of measurement. The estimate
of
fetal
weight was calculated by application of equation proposed by Hadlock etc(1982). The estimated fetal weight were compared with the actual birth weight.
@ES The results were as follows;
@EN 1) Positive correlation(δ=0.932, p<0.001) was found between actual and calculated birth weight.
2) The absolute mean error was 192.6 gm or 6.3% of mean birth weight.
3) 83.9% of the measurement fell within 105 of actual birth weight.
4) The estimates were more accurate in the low birth weight group.
5) The absolute mean error by Hadlock equation was not smaller than that by Warsof equation.
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KEYWORD
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