A corrected formula for uncertainty in estimations of gestational age from fetal head circumference measurements

Nelson, M.R. and Shahtahmassebi, G. ORCID: 0000-0002-0630-2750, 2015. A corrected formula for uncertainty in estimations of gestational age from fetal head circumference measurements. Ultrasound in Obstetrics and Gynecology. ISSN 1469-0705

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Abstract

Numerous publications over recent years have proposed methods for estimation of gestational age (GA) from fetal measurements including biparietal diameter, head circumference, crown-rump length and others. The manuscript of Altman and Chitty1 presented statistical modelling of data from 663 fetuses to define charts and tables for pregnancy dating based upon such measures. The resulting outputs are tables of mean GA estimates based upon each measurement, each with a corresponding standard deviation that encompasses the uncertainty in the prediction. We here address an erroneous result in the appendix of this work, associated with the uncertainty in GA prediction based upon derived head circumference measurements.

Item Type: Journal article
Publication Title: Ultrasound in Obstetrics and Gynecology
Creators: Nelson, M.R. and Shahtahmassebi, G.
Publisher: Wiley
Place of Publication: Chichester
Date: 2015
ISSN: 1469-0705
Identifiers:
NumberType
10.1002/uog.14945DOI
Divisions: Schools > School of Science and Technology
Depositing User: EPrints Services
Date Added: 09 Oct 2015 10:41
Last Modified: 09 Jun 2017 13:36
URI: http://irep.ntu.ac.uk/id/eprint/16654

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