Document Detail

Induction at 41 weeks increases the risk of caesarean section in a hospital with a low rate of caesarean sections.
MedLine Citation:
PMID:  22339273     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To analyse the impact of a change in the management of prolonged pregnancies from inducing labour at 42(+0) to induction at 41(0-6).
DESIGN: Retrospective cohort study.
METHODS: Analysis of 3563 single pregnancies with cephalic presentation of ≥ 41 weeks of gestation delivered in Cruces University Hospital (Spain). Two cohorts were compared corresponding to before and after the change in the policy on induction.
MAIN OUTCOME MEASURES: Induction rate, vaginal delivery rate, newborn morbidity and mortality.
RESULTS: The overall rate of caesarean sections in the patients included in the study was 12.8% (19.5% among those induced and 8.4% among those in whom the onset of labour has been spontaneous). The caesarean section rate in cohorts 41(0-6) and 42(+0) were 14.1% and 11.4%, respectively (p=0.01). Though there were more newborns with umbilical cord blood ph<7.10 in cohort 41(0-6) than in the other group (8.7% versus 4.5%; p<0.01), no significant differences were found between cohorts in 5-min Apgar score < 7, number of admissions to the neonatal care unit or perinatal mortality.
CONCLUSION: The induction of labour during week 41 in prolonged pregnancies may increase the rate of caesarean sections in hospitals with low rates of caesarean sections.
Jorge Burgos; Leire Rodríguez; Borja Otero; Patricia Cobos; Carmen Osuna; María del Mar Centeno; Juan Carlos Melchor; Luis Fernández-Llebrez; Txantón Martínez-Astorquiza
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Publication Detail:
Type:  Evaluation Studies; Journal Article     Date:  2012-03-09
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:  25     ISSN:  1476-4954     ISO Abbreviation:  J. Matern. Fetal. Neonatal. Med.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-17     Completed Date:  2013-01-17     Revised Date:  2014-07-31    
Medline Journal Info:
Nlm Unique ID:  101136916     Medline TA:  J Matern Fetal Neonatal Med     Country:  England    
Other Details:
Languages:  eng     Pagination:  1716-8     Citation Subset:  IM    
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MeSH Terms
Cesarean Section / statistics & numerical data*,  utilization
Cohort Studies
Gestational Age
Hospitals, Maternity / statistics & numerical data
Infant Mortality
Infant, Newborn
Labor, Induced / adverse effects*,  statistics & numerical data
Obstetric Labor Complications / epidemiology,  etiology*,  mortality,  surgery*
Pregnancy, Prolonged / epidemiology,  mortality,  therapy*
Retrospective Studies
Risk Factors
Spain / epidemiology
Stillbirth / epidemiology
Young Adult

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

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