Document Detail

Clinical Accuracy of Estimated Fetal Weight in Term Pregnancies in a Teaching Hospital.
MedLine Citation:
PMID:  23687973     Owner:  NLM     Status:  Publisher    
Abstract Objective: To evaluate whether clinical characteristics alter the accuracy of clinical estimation of fetal weight (EFW) in term pregnancies in a teaching hospital. Methods: Secondary analysis of a retrospective cohort study of patients presenting for labor at term. Clinical EFW was performed using Leopold maneuvers. A Spearman's rank correlation coefficient (r) was used to evaluate the linear relationship between clinical EFW and actual birth weight (BW). Body mass index (BMI), gestational age, fetal station and admission diagnosis were evaluated with respect to their impact on clinical EFW. The primary outcome was an absolute error between clinical EFW and actual BW >500 grams. Results: Of 3,797 patients, 941 (24.8%) had an absolute error in clinical EFW exceeding 500 grams. The overall correlation between clinical EFW and actual BW was weak (r=0.4). There was a significant trend of improved accuracy of clinical EFW with increasing gestational age; however, BMI, fetal station, and admission diagnosis did not have significant effects. 181 of 221 cases (81.9%) of fetal macrosomia (>4000 grams) were undetected by clinical EFW. Conclusion: The correlation between clinical EFW and actual birth weight is overall weak, particularly in patients with macrosomic fetuses; however, BMI, admission diagnosis, and fetal station do not have a significant impact.
Katherine R Goetzinger; Anthony O Odibo; Anthony L Shanks; Kimberly A Roehl; Alison G Cahill
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-5-21
Journal Detail:
Title:  The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians     Volume:  -     ISSN:  1476-4954     ISO Abbreviation:  J. Matern. Fetal. Neonatal. Med.     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-5-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136916     Medline TA:  J Matern Fetal Neonatal Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Obstetrics & Gynecology, Washington University in St. Louis.
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