Labetalol or Nifedipine for Control of Postpartum Hypertension: A Randomized Controlled Trial

This study compares two blood pressure medications — labetalol and nifedipine — to find out which is safer and more effective for controlling high blood pressure after childbirth (postpartum hypertension). High blood pressure after delivery is a serious but common complication. **You may be eligible if...** - You delivered a baby (vaginally or by C-section) at 24 weeks of pregnancy or later - You have high blood pressure after delivery (systolic ≥140 mmHg or diastolic ≥90 mmHg on two separate readings) - You speak English or Spanish **You may NOT be eligible if...** - You have moderate or severe persistent asthma, coronary artery disease, heart failure, a heart block, or fluid in the lungs (pulmonary edema) - You have a medical reason you cannot take either nifedipine or labetalol - Your heart rate is below 60 or above 110 beats per minute - Your primary language is not English or Spanish Talk to your doctor to see if this trial is right for you.