A rectovaginal fistula (RVF) is an epithelial-lined tract between the rectum and vagina. CAUSES 1. Perineal lacerations during childbirth, especially those due to episioproctotomy, predispose patients to RVFs. Failure to recognize and correctly repair perineal lacerations, or secondary infection of perineal lacerations, further increases the chance of RVF. 2. Crohn disease and, ulcerative colitis have …