Increased Accuracy of Fetal Weight Estimation with a Gender-Specific Weight Formula

被引：16
|
作者：
Siemer, Joern [1 ]
Wolf, Tanja [2 ]
Hart, Nicola [1 ]
Schrauder, Michael [2 ]
Meurer, Britta [2 ]
Goecke, Tamme [2 ]
Beckmann, Matthias W. [2 ]
Schild, Ralf L. [2 ]
机构：
[1] Univ Heidelberg Hosp, Dept Obstet & Gynaecol, D-68135 Mannheim, Germany
[2] Univ Hosp, Dept Obstet & Gynaecol, Erlangen, Germany
来源：
FETAL DIAGNOSIS AND THERAPY | 2008年 / 24卷 / 04期
关键词：
Ultrasound; Fetal weight estimation; Fetal biometry; Fetal gender; Regression formula; Obstetrics; Prenatal diagnosis;
D O I：
10.1159/000159777
中图分类号：
R71 [妇产科学];
学科分类号：
100211 ;
摘要：
Objective: To test whether Schild's sex-specific formula for estimating fetal weight is more accurate than commonly used regression formulae. Methods: The gender-specific formula and 10 widely used equations were evaluated in a group of 989 pregnancies. Each fetus underwent ultrasound examination with complete biometric parameters within 7 days before delivery. Results: Over the whole weight range and in the subgroup of newborns with a birth weight between 2,500 and 3,999 g, the sex-specific weight formula from Schild demonstrated the best level of accuracy. For infants with a birth weight of less than 2,500 g as well as for macrosomic newborns, the gender-specific formula did not improve fetal weight estimation. Conclusion: In pregnancies where fetal gender is known, Schild's regression formula should be used when fetal weight lies within the range of 2,500-3,999 g. Copyright (C) 2008 S. Karger AG, Basel
引用
收藏
页码：321 / 326
页数：6
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