Departments of Obstetrics and Gynecology, University of Utah Health Sciences Center, Salt Lake City, Utah, Northwestern University, Chicago, Illinois, University of Alabama at Birmingham, Birmingham, Alabama, Stanford University, Stanford, California, Columbia University, New York, New York, Brown University, Providence, Rhode Island, University of Texas Medical Branch at Galveston, Galveston, Texas, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, University of Texas Health Science Center at Houston-Children's Memorial Hermann Hospital, Houston, Texas, The Ohio State University, Columbus, Ohio, MetroHealth Medical Center-Case Western Reserve University, Cleveland, Ohio, University of Texas Southwestern Medical Center, Dallas, Texas, University of Pennsylvania, Philadelphia, Pennsylvania, Duke University, Durham, North Carolina, University of Pittsburgh, Pittsburgh, Pennsylvania, and the George Washington University Biostatistics Center, Washington, DC; and the Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland.
Corresponding author: Michelle P. Debbink, MD, PhD, Department of Obstetrics and Gynecology, University of Utah Health Sciences Center, Salt Lake City, UT; email: [email protected].
Supported by grants (HD40512, U10 HD36801, HD27869, HD34208, HD68268, HD40485, HD40500, HD53097, HD40560, HD40545, HD27915, HD40544, HD34116, HD68282, HD87192, HD68258, HD87230) from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) and the National Center for Advancing Translational Sciences (UL1TR001873). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. MPD receives salary support from the March of Dimes and American Board of Obstetrics and Gynecology as part of the Reproductive Scientist Development Program. MMC receives salary support from the NICHD.
Financial Disclosure Geeta K. Swamy reports money was paid to them from GlaxoSmithKline, Pfizer, Moderna, and UpToDate (contributor). Money was paid to their institution from the CDC. The other authors did not report any potential conflicts of interest.
*A list of other members of the NICHD MFMU Network is in Appendix 1, available online at https://links.lww.com/AOG/C505.
The authors thank Torri D. Metz, MD, MS, for her contributions to the design of this secondary analysis and review and editing of the manuscript; Gail Mallett, RN, MS, CCRC, and Kim Hill, RN, BSN, for protocol development and coordination between clinical research centers; Lindsay Doherty, MS, for protocol and data management; and Elizabeth A. Thom, PhD, Madeline M. Rice, PhD, and Robert M. Silver, MD, for protocol development and oversight.
Accepted for presentation at the 67th Annual Meeting of the Society for Reproductive Investigation, March 10–14, 2020, Vancouver, British Columbia, Canada [conference canceled because of COVID-19 pandemic].
Dr. Rouse, Deputy Editor (Obstetrics) of Obstetrics & Gynecology, and Dr. Metz, Associate Editor (Obstetrics) of Obstetrics & Gynecology, were not involved in the review or decision to publish this article.
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/C506.