Safest Choice of Antihypertensive Regimen for Postpartum Hypertension

This trial is comparing two blood pressure medications — nifedipine and labetalol — to find out which is safer and more effective for women who develop high blood pressure after giving birth (postpartum hypertension). **You may be eligible if...** - You are a woman who develops high blood pressure after delivery - Your blood pressure is at a level that requires medication (systolic 140+ or diastolic 90+ on two readings, or a single very high reading) - You have just given birth and are in the postpartum period **You may NOT be eligible if...** - You have moderate-to-severe asthma, coronary artery disease, heart failure, or certain heart rhythm problems - You have a contraindication to either nifedipine or labetalol - Your heart rate is below 60 or above 110 - Your primary language is not the language used in the study Talk to your doctor to see if this trial is right for you.