Extreme umbilical cord lengths, cord knot and entanglement: Risk factors and risk of adverse outcomes, a population-based study

• Lorentz Erland Linde ,

  Contributed equally to this work with: Lorentz Erland Linde, Svein Rasmussen

  Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway

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• Svein Rasmussen ,

  Contributed equally to this work with: Lorentz Erland Linde, Svein Rasmussen

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

  Affiliations Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway, Department of Clinical Science, University of Bergen, Bergen, Norway

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• Jörg Kessler,

  Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway

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• Cathrine Ebbing

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

  * E-mail: Cathrine.ebbing@helse-bergen.no

  Affiliation Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway

  http://orcid.org/0000-0002-4331-1250

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