From the Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland; Georgetown University Hospital, MedStar Health, Washington, DC; Intermountain HealthCare and University of Utah, Salt Lake City, Utah; Baystate Medical Center, Springfield, Massachusetts; Maimonides Medical Center, Brooklyn, New York; Cedars-Sinai Medical Center, Los Angeles, California; Summa Health System, Akron City Hospital, Akron, Ohio; University of Texas Health Science Center at Houston, Houston, Texas; MetroHealth Medical Center, Cleveland, Ohio; University of Miami, Miami, Florida; University of Illinois at Chicago, Chicago, Illinois; Christiana Care Health System, Wilmington, Delaware; Indiana University–Clarian Health, Indianapolis, Indiana; and The EMMES Corporation, Rockville, Maryland.
Corresponding author: Dr. Jun Zhang, Epidemiology Branch, NICHD, National Institutes of Health, Building 6100, Room 7B03, Bethesda, MD 20892; e-mail: [email protected].
The Consortium on Safe Labor was supported by the Intramural Research Program of the Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, through a contract (contract HHSN267200603425C).
Presented in part at the Society for Maternal–Fetal Medicine 29th Annual Scientific meeting, January 26–31, 2009, San Diego, California.
Financial Disclosure The authors did not report any potential conflicts of interest.