In 2015, the ACOG included immediate release nifedipine as an intervention for acute, emergent hypertension in pregnancy. But what about extended release nifedipine? Is there a role for this medication in patients with preeclampsia with severe features intrapartum? Does this calcium channel blocker prevent uterine contractility? In this session we will review a new study from the American Heart Association reviewing the effectiveness of oral extended release nifedipine during labor induction for preeeclampsia with severe features.