Pregnancy dating by fetal crown-rump length: A systematic review of charts
Background Fetal crown-rump length (CRL) measurement by ultrasound in the first trimester is the standard method for pregnancy dating; however, a multitude of CRL equations to estimate gestational age (GA) are reported in the literature. Objective To evaluate the methodological quality used in studi...
Main Authors: | , , , , , , , |
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Format: | Journal article |
Language: | English |
Published: |
Blackwell Publishing Ltd
2014
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