About the Authors

Sara Ornaghi

Roles Data curation, Formal analysis, Validation, Visualization, Writing – original draft, Writing – review & editing

sara.ornaghi@unimib.it

Affiliation Department of Obstetrics and Gynecology, Foundation MBBM at San Gerardo Hospital, University of Milan-Bicocca School of Medicine and Surgery, Monza, Italy

Alice Maraschini

Roles Conceptualization, Data curation, Formal analysis, Methodology, Project administration, Validation

Affiliation National Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, Rome, Italy

Serena Donati

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – review & editing

Affiliation National Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, Rome, Italy

on behalf of The Regional Obstetric Surveillance System Working Group

The complete membership of The Regional Obstetric Surveillance System Working Group is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.