首页> 外文期刊>Ultrasound in obstetrics & gynecology: the official journal of the International Society of Ultrasound in Obstetrics and Gynecology >International standards for early fetal size and pregnancy dating based on ultrasound measurement of crown-rump length in the first trimester of pregnancy
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International standards for early fetal size and pregnancy dating based on ultrasound measurement of crown-rump length in the first trimester of pregnancy

机译:基于妊娠前三个月冠臀长的超声测量的国际早期胎儿尺寸和妊娠日期标准

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摘要

Objectives There are no international standards for relating fetal crown-rump length (CRL) to gestational age (GA), and most existing charts have considerable methodological limitations. The INTERGROWTH-21st Project aimed to produce the first international standards for early fetal size and ultrasound dating of pregnancy based on CRL measurement.
机译:目的目前尚无将胎冠臀长(CRL)与胎龄(GA)相关的国际标准,并且大多数现有图表在方法学上都有局限性。 INTERGROWTH-21st项目旨在根据CRL测量结果为妊娠早期胎儿大小和超声测年制定首个国际标准。

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