North Carolina Centers University of North Carolina Chapel Hill Chapel Hill, NC, 27599 Prinicpal Investigator: Kim Boggess, MD Contact: Kim Boggess, MD kboggess@med.unc.edu 919-966-1601 Coordinator: Karen Dorman, RN, MS kdorman@med.unc.edu 984-974-9012 UNC Center Sub-Site WakeMed 3020 New Bern Ave, 3rd Floor Raleigh, NC 27610 Prinicpal Investigator: Carmen Beamen, MD, MPH Contact: Carmen Beamen, MD, MPH cbeamon@wakemed.org 919-350-6002 Lead Coordinator: Kathia Pena Centeno kathia_pena-centeno@med.unc.edu 919-350-6243 Duke University and Duke Regional Hospital Durham, NC, 27705 Principal Investigator: Brenna Hughes, MD Contact: Brenna Hughes, MD brenna.hughes@duke.edu Coordinator: Kristin Weaver, BS, CCRC kristin.weaver@dm.duke.edu 919-681-0308 Clinical Research: Jennifer Ferrara, RN, BSN jennifer.ferrara@dm.duke.edu 919-681-6176 919-613-1550 – fax Main Study Contact Information: Duke Perinatal Research Center 2608 Erwin Road Suite 210 Durham, NC 27705 Phone: 919-613-9639 Pager: 919-970-6606 Email: obresearch@duke.edu