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Obesity decreases the chance to deliver spontaneously.
MedLine Citation:
PMID:  20464407     Owner:  NLM     Status:  In-Data-Review    
PURPOSE: To evaluate the impact of maternal obesity on labour, intrapartual assessment and delivery.
METHODS: Retrospective cohort analysis of n = 11,681 deliveries supervised between 01 January 2000 and 31 December 2009. Results were analysed dividing the patients into two main groups according to their body mass index (BMI): group 1, control: BMI 18-24.9 and group 2 BMI, test >25. Subgroups were built: (0) BMI 25-29.9, (I) BMI 30-34.9, (II) BMI 35-39.9, (III) BMI >40. Exclusion criteria were defined as: delivery <37 + 0 weeks p.m., multiple pregnancy, comorbidity other than GDM, abnormal presentation, BMI <18.5, and incomplete data. The main outcome parameter was defined as secondary caesarean delivery rate and mode of delivery.
RESULTS: N = 8,379 patients met the inclusion criteria and were divided in two groups: 1, n = 4,464 patients and 2, n = 3,915. Basic maternal characteristics including foetal vital parameters were equal in all groups. GDM occurred more frequently in obese patients (P < 0.001). For the main outcome parameter a significant decrease in the rate of spontaneous delivery between control/test groups (72-66%, P < 0.001) and control/I-III groups (72 vs. 50%, P < 0.001) could be observed. The rate of secondary c-section increased significantly according to a higher BMI (>40: OR 2.5, 95% CI 1.84-3.61, χ (2) P < 0.001). The groups showed no difference in the rate of injuries during delivery though foetal birth weight increased significantly with a higher BMI (3,412-3,681 g; P < 0.001).
CONCLUSION: Obesity decreases the chance to deliver spontaneously. Moreover, the obese patient suffers from a significantly longer trial of labour (7.9 vs. 9.5 h) and an elevated risk of surgical delivery.
Daniel Alexander Beyer; Feriel Amari; Dörte W Lüdders; Klaus Diedrich; Jan Weichert
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Publication Detail:
Type:  Journal Article     Date:  2010-05-13
Journal Detail:
Title:  Archives of gynecology and obstetrics     Volume:  283     ISSN:  1432-0711     ISO Abbreviation:  Arch. Gynecol. Obstet.     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-04-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8710213     Medline TA:  Arch Gynecol Obstet     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  981-8     Citation Subset:  IM    
Division of Perinatal Medicine, Department of Obstetrics and Gynaecology, Schleswig-Holstein University, Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Germany,
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