Obstet Gynecol 2022 Jun 2;139(6):1043-1049. Epub 2022 May 2.
Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, and Mission Hospital, Asheville, North Carolina; and the Departments of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, Galveston, Texas, Ochsner Health System, New Orleans, Louisiana, University of Utah and Intermountain Health Care, Salt Lake City, Utah, Columbia University, New York, New York, University of Mississippi, Jackson, Mississippi, University of Texas Health Sciences Center, Houston, Texas.
Objective: To estimate the association between timing of administration of adjunctive azithromycin for prophylaxis at unscheduled cesarean delivery and maternal infection and neonatal morbidity.
Methods: We conducted a secondary analysis of a randomized trial of adjunctive azithromycin prophylaxis in patients with singleton gestations who were undergoing unscheduled cesarean delivery. The primary exposure was the timing of initiation of the study drug (after skin incision or 0-30 minutes, more than 30-60 minutes, or more than 60 minutes before skin incision). Read More