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Article: Estimation of fetal weight in utero from symphysis-fundal height and abdominal girth measurements

TitleEstimation of fetal weight in utero from symphysis-fundal height and abdominal girth measurements
Authors
Issue Date1985
PublisherBlackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/journals/ANZJOG
Citation
Australian And New Zealand Journal Of Obstetrics And Gynaecology, 1985, v. 25 n. 4, p. 268-271 How to Cite?
AbstractThe ability to estimate fetal weight accurately from symphysis-fundal height (SFH) and abdominal girth (AG) measurements was evaluated. Multivariate regression analysis was performed on measurements made on 208 primi-gravidas within 48 hours of delivery. A better correlation with birth-weight was obtained with the SFH than with the AG. The equation BW= -1.515 + 0.092 (SFH) + 0.016 (AG) yielded a coefficient of multiple correlation of 0.7259. Using this equation, the mean percentage prediction errors were 5.7% ± 4.2 (SD) in fetuses between 2,500 and 3,500 g (n = 156), 9.4% ± 5.25 (SD) in those larger than 3,500 g (n = 33), and 19.1% ± 8.2 (SD) in those smaller than 2,500 g (n = 19). All the generated equations similarly underestimated the fetal weight in the larger babies and overestimated in the smaller babies. Inclusion of quadratic and logarithmic functions as well as skin-fold thickness measurements into the equations did not decrease the error or alter the distribution of errors. It was concluded that although fetal weight estimation may be reasonably accurate between 2,500 g and 3,500 g, the error is too great for the method to be clinically useful in the smaller and larger babies. Moreover, a theoretical basis for a high sensitivity in the detection of small for dates fetuses from these parameters would be difficult to establish.
Persistent Identifierhttp://hdl.handle.net/10722/173100
ISSN
2015 Impact Factor: 1.738
2015 SCImago Journal Rankings: 0.814
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWoo, JSKen_US
dc.contributor.authorNgan, HYSen_US
dc.contributor.authorAu, KKLen_US
dc.date.accessioned2012-10-30T06:27:56Z-
dc.date.available2012-10-30T06:27:56Z-
dc.date.issued1985en_US
dc.identifier.citationAustralian And New Zealand Journal Of Obstetrics And Gynaecology, 1985, v. 25 n. 4, p. 268-271en_US
dc.identifier.issn0004-8666en_US
dc.identifier.urihttp://hdl.handle.net/10722/173100-
dc.description.abstractThe ability to estimate fetal weight accurately from symphysis-fundal height (SFH) and abdominal girth (AG) measurements was evaluated. Multivariate regression analysis was performed on measurements made on 208 primi-gravidas within 48 hours of delivery. A better correlation with birth-weight was obtained with the SFH than with the AG. The equation BW= -1.515 + 0.092 (SFH) + 0.016 (AG) yielded a coefficient of multiple correlation of 0.7259. Using this equation, the mean percentage prediction errors were 5.7% ± 4.2 (SD) in fetuses between 2,500 and 3,500 g (n = 156), 9.4% ± 5.25 (SD) in those larger than 3,500 g (n = 33), and 19.1% ± 8.2 (SD) in those smaller than 2,500 g (n = 19). All the generated equations similarly underestimated the fetal weight in the larger babies and overestimated in the smaller babies. Inclusion of quadratic and logarithmic functions as well as skin-fold thickness measurements into the equations did not decrease the error or alter the distribution of errors. It was concluded that although fetal weight estimation may be reasonably accurate between 2,500 g and 3,500 g, the error is too great for the method to be clinically useful in the smaller and larger babies. Moreover, a theoretical basis for a high sensitivity in the detection of small for dates fetuses from these parameters would be difficult to establish.en_US
dc.languageengen_US
dc.publisherBlackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/journals/ANZJOGen_US
dc.relation.ispartofAustralian and New Zealand Journal of Obstetrics and Gynaecologyen_US
dc.subject.meshBirth Weighten_US
dc.subject.meshBody Weighten_US
dc.subject.meshEmbryonic And Fetal Developmenten_US
dc.subject.meshFemaleen_US
dc.subject.meshFetal Growth Retardation - Diagnosisen_US
dc.subject.meshFetus - Anatomy & Histologyen_US
dc.subject.meshHumansen_US
dc.subject.meshInfant, Newbornen_US
dc.subject.meshInfant, Small For Gestational Ageen_US
dc.subject.meshPregnancyen_US
dc.subject.meshRegression Analysisen_US
dc.subject.meshSkinfold Thicknessen_US
dc.titleEstimation of fetal weight in utero from symphysis-fundal height and abdominal girth measurementsen_US
dc.typeArticleen_US
dc.identifier.emailNgan, HYS:hysngan@hkucc.hku.hken_US
dc.identifier.authorityNgan, HYS=rp00346en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1111/j.1479-828X.1985.tb00742.x-
dc.identifier.pmid3869449-
dc.identifier.scopuseid_2-s2.0-0022404101en_US
dc.identifier.volume25en_US
dc.identifier.issue4en_US
dc.identifier.spage268en_US
dc.identifier.epage271en_US
dc.identifier.isiWOS:A1985AXU9200008-
dc.publisher.placeAustraliaen_US
dc.identifier.scopusauthoridWoo, JSK=7401753072en_US
dc.identifier.scopusauthoridNgan, HYS=34571944100en_US
dc.identifier.scopusauthoridAu, KKL=7006641980en_US

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