Personalized Perioperative Analgesia Platform (PPAP) for Cesarean Section

This study looks at creating a personalized pain management plan for women having a planned C-section (cesarean delivery). The goal is to use a platform that tailors opioid pain medication dosing to each patient's individual needs, in order to improve pain control and reduce the risk of opioid-related problems after surgery. You may be eligible if: - You are an adult woman (18 years or older) of any race - You are having a planned cesarean section - Your physical health classification is ASA 1, 2, or 3 - You are willing to receive opioid pain medication in the hospital after surgery You may NOT be eligible if: - You have uncontrolled diabetes (gestational or pre-existing) or high blood pressure (including pre-eclampsia or eclampsia) - You have any history of opioid misuse before or during pregnancy - You have severe pain before surgery or are using opioids preoperatively - You are allergic to oxycodone - You have significant neurological disorders, liver disease, or kidney disease Talk to your doctor to see if this trial is right for you.