Located in the center of the COVID-19 pandemic in the Bronx, New York, Montefiore experts have invaluable insight into lessons learned from the frontlines. In this installment of #FrontlineLessons, Dr. Peter Bernstein, Director of Maternal Fetal Medicine; and Medical Director of Labor & Delivery, Dr. Lisa Nathan, share how they collaborated with their internal medicine colleagues to address the high risk of venous thromboembolism in pregnant women with COVID-19.