Reducing the Risk of Chronic Hypertension and Improving Vascular Function Following Preeclampsia

This trial is testing whether a structured postpartum care program — including a blood pressure medication called nifedipine ER — can reduce the risk of developing chronic high blood pressure and improve blood vessel health in women who experienced a high blood pressure complication during pregnancy (such as preeclampsia or gestational hypertension). **You may be eligible if...** - You were diagnosed with a pregnancy-related high blood pressure disorder (preeclampsia, gestational hypertension, eclampsia, or HELLP syndrome) - You are within 0–4 days postpartum (just after delivery) - You are 18 or older and speak English or Spanish - You have an established OB/GYN provider in the study health system **You may NOT be eligible if...** - You had high blood pressure before your pregnancy - You have type 1 or type 2 diabetes - You are in the intensive care unit at the time of screening - You have a known allergy to nifedipine ER or a contraindication to it - You are already on long-acting blood pressure medication for standard care - You have sickle cell disease or lupus Talk to your doctor to see if this trial is right for you.