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Korean Journal of Obstetrics & Gynecology 1998;41(6):1602-1605.
Published online January 1, 2001.
Application of the Doppler Ultrasound in the Assessment of Fetal Macrosomia.
C S Bae, H W Yoon
Abstract
Fetal macrosomia may cause damage to both the fetus and mother. Numerous reports have been made to improve the accuracy of fetal weight estimations by analyses of various biometers obtained by ultrasonography. But the estimation of fetal weight from ultrasonic measurements is still not reliable adequately. The objective of this study is to improve the accuracy of antenatal diagnosis of fetal macrosomia. 174 pregnant women were studied from Jan. 1996 to Jun. 1997 in Dongguk university hospital. The results were as follows; 1. With the Hadlock method, the sensitivity was 66.7%, the specificity was 86.3%, positive and negative predictive value was 70.4, 82.5% in each. 2. With the Shepard method, the sensitivity, specificity, positive and negative predictive value was 65.6, 87.6, 74.1 and 82.5% in each. 3. Diagnostic accuracy of fetal macrosomia in the case of umbilical artery resistance index below 0.4, the sensitivity, specificity, positive and negative predictive value was 48.1, 83.2, 70.4 and 65.8% in each. 4. With both the Hadlock and Shepard methods, the sensitivity, specificity, positive and negative predictive value was 80.0, 91.6, 81.5 and 90.8% in each. 5. With both the Hadlock and Shepard methods in the case of umbilical artery resistance index below 0.4, the sensitivity, specificity, positive and negative predictive value was 84.3, 91.9, 79.6 and 94.2% in each.
Key Words: Macrosomia, Hadlock method, Shepard method, Doppler


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