RecruitingPhase 4Drug trialCOMFORT Trial: Complex Obstetric Management With Focused Regional Transversus Abdominis Plane BlockTo assess the effect of intraoperative transversus abdominis plane (TAP) blocks on the amount of opioid pain medications expressed as morphine milliequivalents (MME) used postoperatively in patients who have undergone cesarean delivery (CD) in the setting of complex obstetric surgery (COS).