Accuracy and precision of sonographic fetal weight estimation in Sweden

Linda Lindstrom,Sven Cnattingius,Ove Axelsson,Michaela Granfors

ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA（2023）

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摘要

The recommended Swedish formula by Persson and Weldner is generally accurate for fetal weight estimation. The systematic underestimation of EFW and random error is largest in extreme preterm and estimated SGA-fetuses, which is of importance in clinical decision making. The accuracy of EFW with the formula by Persson and Weldner is as good as or better than Hadlock 2 and Shepard's formulae.

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关键词

Persson and Weldner,biparietal diameter,estimated fetal weight,fetal growth,gestational age,head circumference

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