Intravenous Oxytocin for Post Operative Pain After Minimally Invasive Hysterectomy

Inclusion Criteria: * Ages 18-65 years old * ASA category 1-3 * Scheduled to undergo minimally invasive hysterectomy * No documented allergy to oxytocin Exclusion Criteria: * American Society of Anesthesiologists (ASA) group 4 or greater * Age \>65 years old * Additional surgical procedures including but not limited to minor laparotomy, omentectomy, cystectomy, vaginectomy, and/or ablation of endometriosis. * Active opioid prescription of the equivalent of oxycodone \>10 mg /day * Opioid use disorder, including patients in treatment receiving naltrexone or Suboxone (Buprenorphine-naloxone) * Allergies to any study medication: acetaminophen, celecoxib, ketorolac, fentanyl, hydromorphone, or oxycodone. * Epidural/Regional anesthesia for intra-operative or post-operative pain. * Inability to understand the questionnaires * Intra-operative and post-operative exclusion: Procedure converted to open or extension of primary surgery, Intra-operative EBL \>500 ml., Placement of epidural catheter or regional anesthesia at PACU for pain management, Hospitalization of the patient due to surgical or anesthetic complications