Causes contributing to the excess maternal mortality risk for women 35 and over, United States, 2016–2017

• Marian F. MacDorman ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: mmacdorman@gmail.com

  Affiliation Maryland Population Research Center, University of Maryland, College Park, MD, United States of America

  https://orcid.org/0000-0003-4266-3163

  ⨯
• Marie Thoma,

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

  Affiliation Department of Family Science, University of Maryland School of Public Health, College Park, MD, United States of America

  ⨯
• Eugene Declercq,

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

  Affiliation Department of Community Health Sciences, Boston University School of Public Health, Boston, MA, United States of America

  ⨯
• Elizabeth A. Howell

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

  Affiliation Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA, United States of America

  ⨯