title: [Robson classification: A tool for assessment of caesarean practices in France].
abstract: OBJECTIVE
  To give a description of caesarean rates in France in 2010 using Robson classification, to assess practices according to the level of care of the maternity units.
  
  
  METHODS
  The study population was the sample of the French National Perinatal Survey in 2010 (n=14,165). Data were stratified by the level of care of the maternity unit (1, 2 or 3). Women were classified in 12 groups according to Robson classification, using maternal characteristics and obstetrical history. In each level of care, we calculated for each group, its relative size, its crude caesarean rate and its contribution to the overall caesarean rate.
  
  
  RESULTS
  The overall rate of caesarean in 2010 in France was 20.8% in level 1, 21.1% in level 2 and 20.0% in level 3 maternity units. In the three levels, the main contributors to the overall caesarean rate were primiparous women in spontaneous labour (group 1; contribution: 3.5% in level 1 units, 2.2% in level 2 units, 2.7% in level 3 units) or with induced labour (group 2a; contribution: 2.9, 2.5 and 3.0%, respectively) and multiparous women with previous caesarean (group 5; contribution: 5.8, 5.3 and 6.0%, respectively). Premature singletons (group 10) contributed to 0.8% to the overall caesarean rate in level 1 units, 1.4% in level 2 units and 3.5% in level 3 units.
  
  
  CONCLUSIONS
  The Robson classification is easy to use. Each maternity unit can compare its rates with those of units with similar level, to find whether some groups of women have very high rates of caesarean sections.
authors: Inserm UMR 1153, équipe de recherche en épidémiologie obstétricale, périnatale et pédiatrique (EPOPé), centre de recherche épidémiologie et statistique Sorbonne Paris Cité, DHU risques et grossesse, université Paris Descartes, 75014 Paris, France; Maternité Port-Royal, hôpital Cochin, Assistance publique-Hôpitaux de Paris, 53, avenue de l'Observatoire, 75014 Paris, France. Electronic address: camille.le-ray@cch.aphp.fr.
authors: C
authors: C
authors: Le Ray
authors: Inserm UMR 1153, équipe de recherche en épidémiologie obstétricale, périnatale et pédiatrique (EPOPé), centre de recherche épidémiologie et statistique Sorbonne Paris Cité, DHU risques et grossesse, université Paris Descartes, 75014 Paris, France.
authors: C
authors: C
authors: Prunet
authors: Inserm UMR 1153, équipe de recherche en épidémiologie obstétricale, périnatale et pédiatrique (EPOPé), centre de recherche épidémiologie et statistique Sorbonne Paris Cité, DHU risques et grossesse, université Paris Descartes, 75014 Paris, France.
authors: C
authors: C
authors: Deneux-Tharaux
authors: Inserm UMR 1153, équipe de recherche en épidémiologie obstétricale, périnatale et pédiatrique (EPOPé), centre de recherche épidémiologie et statistique Sorbonne Paris Cité, DHU risques et grossesse, université Paris Descartes, 75014 Paris, France; Maternité Port-Royal, hôpital Cochin, Assistance publique-Hôpitaux de Paris, 53, avenue de l'Observatoire, 75014 Paris, France.
authors: F
authors: F
authors: Goffinet
authors: Inserm UMR 1153, équipe de recherche en épidémiologie obstétricale, périnatale et pédiatrique (EPOPé), centre de recherche épidémiologie et statistique Sorbonne Paris Cité, DHU risques et grossesse, université Paris Descartes, 75014 Paris, France.
authors: B
authors: B
authors: Blondel
mesh_terms: D000328:Adult; D002585:Cesarean Section / Q000145:classification* / Q000706:statistics & numerical data*; D005260:Female; D005602:France / Q000453:epidemiology; D006306:Health Surveys / Q000706:statistics & numerical data*; D006771:Hospitals, Maternity / Q000706:statistics & numerical data*; D006801:Humans; D011247:Pregnancy; D055815:Young Adult
keywords: Caesarean; Classification de Robson; Césarienne; Epidemiology; Robson classification; Épidémiologie