Perinatal mortality associated with induction of labour versus expectant management in nulliparous women aged 35 years or over: An English national cohort study

• Hannah E. Knight ,

  Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: hknight@rcog.org.uk

  Affiliations Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, United Kingdom, Royal College of Obstetricians and Gynaecologists, London, United Kingdom

  http://orcid.org/0000-0002-6809-2517

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• David A. Cromwell,

  Roles Conceptualization, Formal analysis, Writing – review & editing

  Affiliation Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, United Kingdom

  http://orcid.org/0000-0002-6516-8125

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• Ipek Gurol-Urganci,

  Roles Formal analysis, Writing – review & editing

  Affiliation Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, United Kingdom

  ⨯
• Katie Harron,

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, United Kingdom

  http://orcid.org/0000-0002-3418-2856

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• Jan H. van der Meulen,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, United Kingdom

  http://orcid.org/0000-0002-9451-2335

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• Gordon C. S. Smith

  Roles Conceptualization, Writing – review & editing

  Affiliation Department of Obstetrics and Gynaecology, University of Cambridge, NIHR Cambridge Comprehensive Biomedical Research Centre, Cambridge, United Kingdom

  http://orcid.org/0000-0003-2124-0997

  ⨯