Prior to initiation of surgery, the operative field will be prepared by dry shaving the site with a disposable razor then cleansing the abdomen with Betadine using sterile technique. Hibiclens soap will be substituted for patients who are sensitive or allergic to iodine. A first generation Cephalosporin will be administered ~ 30 minutes preop for patients undergoing scheduled cesarean delivery. If the procedure is unscheduled, a first generation Cephalosporin will be administered after cord clamp if the patient has not already received antibiotics preoperatively.