Background: This study assessed whether epidural analgesia was an independent risk factor for severe perineal laceration.Methods: A retrospective cohort study analyzed 2,759 patients at St. Francis Regional Medical Center who had vertex, spontaneous or induced, singleton, live, vaginal deliveries of neonates of at least 36 weeks' gestation. Patients with diabetes or severe cardiac disease were excluded. Outcomes measured were third-or fourth-degree perineal lacerations.Results: Overall rate of severe perineal laceration was 6.38% (n ؍ 176). Epidural analgesia was given to 634 (