Vaginal Preparation and Azithromycin to Reduce Post Cesarean Infections

Inclusion Criteria: * full term pregnancy * undergoing labored, non-emergent cesarean section * patient in labor Exclusion Criteria: Azithromycin contraindicated: * Known hypersensitivity to azithromycin, erythromycin, macrolides or ketolide medications. * liver dysfunction * Prescription medications which may interact with azithromycin, such as nelfinavir or warfarin * A history of a cardiac dysrhythmia (irregular heartbeats) * Known hypersensitivity to iodine * Patients carrying fetuses with known congenital anomalies * Immunodeficiency * Patients who are not in labor at the time of delivery * Non-english speaking subjects or subjects with language barriers