Inclusion Criteria:

- Adult female patients (>18 years of age) who are undergoing elective uterine artery
embolization will be included in the study.

Exclusion Criteria:

- Exclusion criteria for the study are patient refusal to be included in the study, the
presence of language barrier that inhibits proper communication with the patient

- Contraindications to regional anesthesia

- History of allergy to amide local anesthetics or narcotics

- Known hypersensitivity to pregabalin, creatinine clearance ≤ 60 mL/min

- The presence of a progressive neurological deficit

- The presence of chronic opioid analgesia

- The presence of a coagulopathy or infection, pregnancy

- Patients with cardiovascular disease

- Patients who take daily antiplatelet medications, patients with peptic ulcer disease

- History of psychiatric disorder or inability to follow study protocol.

- Dropout criteria include failed epidural analgesia, inability to tolerate side
effects (nausea) from pregabalin, and the inability to contact during follow up.