The pharmacy will be notified once consent is obtained that the patient is participating in the study. After which, the injectable solution will be sent to the OR labeled "Study Drug." The surgical team and the patient will be blinded to which arm they are assigned to. With the use of a Bierman needle the solution will be injected into the uterine nerve as it courses with the uterosacral ligaments on each side at the level of the vaginal cuff. If the uterosacral ligaments cannot be easily identified, the patient will be excluded from the study.