Maternal age and severe maternal morbidity: A population-based retrospective cohort study

• Sarka Lisonkova ,

  * E-mail: slisonkova@cfri.ca

  Affiliations Department of Obstetrics and Gynaecology, University of British Columbia and Children’s and Women’s Health Centre of British Columbia, Vancouver, British Columbia, Canada, School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada

  http://orcid.org/0000-0002-1220-310X

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• Jayson Potts,

  Affiliation Department of Medicine, University of British Columbia and BC Women’s Hospital and Health Centre, Vancouver, British Columbia, Canada

  http://orcid.org/0000-0002-5862-6474

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• Giulia M. Muraca,

  Affiliation School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada

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• Neda Razaz,

  Affiliation Clinical Epidemiology Unit, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden

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• Yasser Sabr,

  Affiliation College of Medicine, King Saud University, Riyadh, Saudi Arabia

  http://orcid.org/0000-0002-9096-7439

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• Wee-Shian Chan,

  Affiliation Department of Medicine, University of British Columbia and BC Women’s Hospital and Health Centre, Vancouver, British Columbia, Canada

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• Michael S. Kramer

  Affiliations Department of Pediatrics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada, Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montreal, Quebec, Canada

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