Inclusion Criteria  Age ≥ 18 years old Must be undergoing an open gynecologic procedure through a midline vertical incision with a gynecologic oncologist  Exclusion Criteria  History of chronic pain History of opioid dependence Suspected or confirmed history of endometriosis History of fibromyalgia Suspected or confirmed interstitial cystitis or painful bladder syndrome History of or current opioid use prior to surgery Hypersensitivity to bupivacaine Severe hepatic or renal disease