Departments of Obstetrics and Gynecology, Northwestern University, Chicago, Illinois; Case Western Reserve University–MetroHealth Medical Center, Cleveland, Ohio; Columbia University, New York, New York; University of Utah Health Sciences Center, Salt Lake City, Utah; the University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; the University of Texas Southwestern Medical Center, Dallas, Texas; the University of Pittsburgh, Pittsburgh, Pennsylvania; The Ohio State University, Columbus, Ohio; the University of Alabama at Birmingham, Birmingham, Alabama; the University of Texas Medical Branch, Galveston, Texas; Brown University, Providence, Rhode Island; the University of Texas Health Science Center at Houston–Children's Memorial Hermann Hospital, Houston, Texas; Oregon Health & Science University, Portland, Oregon; the Medical University of South Carolina, Charleston, South Carolina; 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: William A. Grobman, MD, MBA, Northwestern University Medical School, Maternal-Fetal Medicine, 250 East Superior Street, Suite 05-2175, Chicago, IL 60611; e-mail: [email protected].
* For a list of other members of the NICHD MFMU, see the Appendix online at https://links.lww.com/AOG/A615.
The project described was supported by grants from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD21410, HD27869, HD27915, HD27917, HD34116, HD34208, HD36801, HD40500, HD40512, HD40544, HD40545, HD40560, HD40485, HD53097, HD53118) and the National Center for Research Resources (UL1 RR024989; 5UL1 RR025764).
Comments and views of the authors do not necessarily represent views of the Eunice Kennedy Shriver National Institute of Child Health and Human Development.
The authors thank Cynthia Milluzzi, RN, and Joan Moss, RNC, MSN, for protocol development and coordination between clinical research centers; Elizabeth Thom, PhD, for protocol and data management and statistical analysis; and Catherine Y. Spong, MD, for protocol development and oversight.
Dr. Rouse, Associate Editor of Obstetrics & Gynecology, was not involved in the review or decision to publish this article.
