Document Detail

Small fetal size: a risk factor for breech birth at term.
MedLine Citation:
PMID:  10576233     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To examine fetal size as a risk factor for breech birth at term. METHODS: Singleton breech or cephalic births of gestational age > or = 37 weeks in New South Wales (NSW), Australia from 1990 to 1996 were analyzed. Birthweight percentile was used as a measure of fetal size at the time of birth. Factors associated with breech birth at term were analyzed using logistic regression. RESULTS: There were 18914 singleton breech and 540164 cephalic births in the study period. The important independent predictors of breech birth at term were advancing maternal age, primiparity, female sex and small size for gestational age. Infants < 10th percentile had an adjusted odds ratio of 1.33 (95% CI 1.28-1.38) for breech birth at term compared with 25th-75th percentile infants. CONCLUSIONS: Breech birth at term was associated with smaller fetal size for gestational age. This was shown directly through an association with birthweight-for-gestational-age percentiles and indirectly through association with female sex, primiparous birth and congenital anomalies.
C L Roberts; C S Algert; B Peat; D Henderson-Smart
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics     Volume:  67     ISSN:  0020-7292     ISO Abbreviation:  Int J Gynaecol Obstet     Publication Date:  1999 Oct 
Date Detail:
Created Date:  1999-12-09     Completed Date:  1999-12-09     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0210174     Medline TA:  Int J Gynaecol Obstet     Country:  IRELAND    
Other Details:
Languages:  eng     Pagination:  1-8     Citation Subset:  IM    
NSW Centre for Perinatal Health Services Research, Department of Obstetrics and Gynecology, University of Sydney, Australia.
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MeSH Terms
Birth Weight*
Breech Presentation*
Gestational Age
Maternal Age
Multivariate Analysis
Risk Factors

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

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