Clinical Research Directory

Inclusion Criteria: * Women presenting for planned cesarean delivery. * American Society of Anesthesiology Physical Classification Status 2 or 3; without major medical co-morbidities. * Singleton gestation in the 3rd trimester (28-42 weeks gestation). * Spinal anesthesia technique Women presenting for planned cesarean delivery. * American Society of Anesthesiology Physical Classification Status 2 or 3; without major medical co-morbidities. * Singleton gestation in the 3rd trimester (28-42 weeks gestation). * Spinal anesthesia technique. Exclusion Criteria: * Any contraindication to spinal anesthesia technique. * Allergy or intolerance to dexmedetomidine or clonidine. * Oral temperature \< 36° Celsius prior to procedure. * Unable to give personal consent. * PPROM or concern for infection (e.g., chorioamnionitis). * Conversion to General Anesthesia prior to randomization. * Sedative medications (e.g., fentanyl, midazolam, ketamine, nitrous oxide) administered prior to randomization.