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