Combined and progestagen-only hormonal contraceptives and breast cancer risk: A UK nested case–control study and meta-analysis

• Danielle Fitzpatrick,

  Roles Formal analysis, Investigation, Methodology, Project administration, Writing – original draft

  Affiliations Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom, Adelaide Medical School, Faculty of Health and Medical Sciences, University of Adelaide, South Australia, Australia

  https://orcid.org/0000-0003-0616-6282

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• Kirstin Pirie ,

  Roles Formal analysis, Validation, Visualization, Writing – review & editing

  * E-mail: kirstin.pirie@ndph.ox.ac.uk

  Affiliation Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom

  https://orcid.org/0000-0002-0561-4904

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• Gillian Reeves,

  Roles Funding acquisition, Supervision, Writing – review & editing

  Affiliation Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom

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• Jane Green,

  Roles Conceptualization, Funding acquisition, Methodology, Project administration, Writing – review & editing

  Affiliation Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom

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• Valerie Beral †

  † Deceased.

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom

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