Document Detail


A standardized plane for biparietal diameter measurement.
MedLine Citation:
PMID:  6152944     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Biparietal diameter measurement is the most widely accepted means of determining gestational age. However, a standard anatomic plane for performing this measurement has not been established. Three hundred forty-four measurements on 256 patients who gave birth to normal infants were obtained and compared at various cranial levels based on brain anatomy. The results document that use of a standardized plane increases measurement reliability but does not significantly alter variability. We postulate that variability is based predominantly on biologic variation in fetal growth rates rather than on technical errors.
Authors:
M Shepard; R A Filly
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine     Volume:  1     ISSN:  0278-4297     ISO Abbreviation:  J Ultrasound Med     Publication Date:  1982 May 
Date Detail:
Created Date:  1993-11-04     Completed Date:  1993-11-04     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8211547     Medline TA:  J Ultrasound Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  145-50     Citation Subset:  IM    
Affiliation:
Department of Radiology, University of California School of Medicine, San Francisco 94143.
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MeSH Terms
Descriptor/Qualifier:
Cephalometry / methods*
Cerebral Ventricles / embryology,  ultrasonography
Female
Gestational Age*
Humans
Pregnancy
Regression Analysis
Reproducibility of Results
Skull / embryology*,  ultrasonography*
Thalamic Nuclei / embryology,  ultrasonography
Ultrasonography, Prenatal / methods*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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