Chair
Department of Obstetrics and Gynecology
Columbia University Medical Center
New York
NY
Associate Professor of Obstetrics and Gynecology
Department of Obstetrics and Gynecology
Columbia University Medical Center
New York
NY
Dr Mary E. D'Alton and Dr Russell S. Miller would like to gratefully acknowledge Dr Linda M. Szymanski and Dr Jessica L. Bienstock, the previous contributors to this topic. LMS and JLB declare that they have no competing interests.
Associate Professor
Residency Program Director
Department of Obstetrics and Gynecology
University of Virginia Health System
Charlottesville
VA
Director of Maternal Fetal Medicine
University of Rochester
School of Medicine and Dentistry
Rochester
NY
Professor Maternal Fetal Medicine
School of Women's and Infants' Health
The University of Western Australia
Perth
Western Australia
Australia
Consultant Obstetrician and Gynaecologist
Wishaw General Hospital
Netherton Wishaw
UK
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