Poobalan, A. S., Aucott, L. S., Gurung, T., Smith, W. C. S. (William Cairns Stewart) and Bhattacharya, Sayantan. (2009) Obesity as an independent risk factor for elective and emergency caesarean delivery in nulliparous women - systematic review and meta-analysis of cohort studies. Obesity Reviews, Vol.10 (No.1). pp. 28-35. ISSN 14677881

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Abstract

The objective of the study was to investigate the association between increasing maternal body mass index (BMI) and elective/emergency caesarean delivery rates. Systematic review and meta-analysis of published cohort studies were used. The bibliographic databases, MEDLINE, EMBASE, CINAHL, were searched systematically, with no language restrictions, from 1996 to May 2007. MeSH terms and key words for ‘pregnancy’, ‘obesity’, ‘overweight,’‘body mass index’ and ‘caesarean section’ were combined with the Cochrane Collaboration strategy for identifying primary studies. Finally, 11 papers were considered eligible for inclusion in the review. Although all the papers were cohort studies, only three were prospective in nature. Compared with women with normal BMI (20–25 kg m−2), the crude pooled odds ratios (95% confidence intervals) for caesarean section in overweight (BMI 25–30 kg m−2), obese (BMI 30–35 kg m−2) and morbidly obese (BMI > 35 kg m−2) women were 1.53 (1.48, 1.58), 2.26 (2.04, 2.51) and 3.38 (2.49, 4.57) respectively. The pooled odds of having an emergency caesarean section were 1.64 (95% confidence intervals 1.55, 1.73) in overweight and 2.23 (2.07, 2.42) in obese women. Caesarean delivery risk is increased by 50% in overweight women and is more than double for obese women compared with women with normal BMI.

Item Type:	Journal Article
Subjects:	R Medicine > R Medicine (General) R Medicine > RG Gynecology and obstetrics
Divisions:	Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH):	Body mass index, Cesarean section, Obesity in women -- Research, Obesity -- Risk factors, Systematic reviews (Medical research), Meta-analysis
Journal or Publication Title:	Obesity Reviews
Publisher:	Wiley-Blackwell Publishing Ltd.
ISSN:	14677881
Date:	January 2009
Volume:	Vol.10
Number:	No.1
Page Range:	pp. 28-35
Identification Number:	10.1111/j.1467-789X.2008.00537.x
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/37270

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