Division of Maternal-Fetal Medicine and Obstetrics, Department of Obstetrics and Gynecology, and the Perinatal Epidemiology and Health Outcomes Research Unit, Division of Neonatology, Department of Pediatrics, Stanford University School of Medicine, Stanford, California.
Corresponding author: Samantha C. Do, MD, Maternal Fetal Medicine Associates, New York, NY; email: [email protected].
Financial Disclosure Deirdre J. Lyell disclosed receiving payment from the Society of Maternal-Fetal Medicine, Wolters Kluwer, Bloomlife, Zenflow, and Elsevier. The other authors did not report any potential conflicts of interest.
Presented at the Society for Maternal-Fetal Medicine’s 39th Annual Pregnancy Meeting, February 11–16, 2019, Las Vegas, Nevada.
The authors thank Stanford University, the Stanford Center for Population Health Sciences, the Stanford Research Computing Center, and Stanford Medicine for providing the study data and computational resources and support that contributed to this research, and the Dunlevie Maternal-Fetal Medicine Center for Discovery, Innovation and Clinical Impact at Stanford University for providing biostatistical support for this project.
Each author has confirmed compliance with the journal's requirements for authorship.
Peer reviews and author correspondence are available at https://links.lww.com/AOG/C834.
