Tone or tissue? A comparison of trends and risk factors of severe postpartum hemorrhage according to uterine atony or retained tissue in a hospital setting

• Silje Pettersen ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: sipett@ous-hf.no

  Affiliations Norwegian Research Centre for Women’s Health, Oslo University Hospital, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway

  https://orcid.org/0000-0002-8156-5606

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• Ragnhild Sørum Falk,

  Roles Data curation, Supervision, Writing – review & editing

  Affiliation Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway

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• Siri Vangen,

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

  Affiliations Norwegian Research Centre for Women’s Health, Oslo University Hospital, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway

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• Lill Trine Nyfløt

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

  Affiliations Norwegian Research Centre for Women’s Health, Oslo University Hospital, Oslo, Norway, Department of Obstetrics, Drammen Hospital, Drammen, Norway

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