Critical care obstetrics / editor-in-chief, Jeffrey P. Phelan, President and Director of Clinical Research, Childbirth Injury Prevention Foundation, Glendora, CA; San Gabriel Valley Perinatal Medical Group, Inc, West Covina, CA; and Former Director of Quality Assurance, Department of Obstetrics and Gynecology, Citrus Valley Medical Center, West Covina, CA, USA, ; editors, Luis D. Pacheco, Professor of Departments of Obstetrics, Gynecology, and Anesthesiology, Divisions of Maternal Fetal Medicine and Surgical Critical Care, The University of Texas Medical Branch, Galveston, TX, USA, Michael R. Foley, Professor and Chair, Department of Obstetrics and Gynecology, University of Arizona College of Medicine Phoenix, Phoenix, AZ, USA, George R. Saade, Professor of Obstetrics & Gynecology, and Cell Biology, Chief of Chief of Obstetrics and Maternal Fetal medicine, University of Texas Medical Branch, Galveston, TX, USA, Gary A. Dildy, Professor of Obstetrics & Gynecology, Baylor College of Medicine, Houston, TX, USA, Michael A. Belfort, Professor of Obstetrics and gynecology, Division of Maternal Fetal Medicine, Baylor College of Medicine, Houston, TX, USA.