American College of Cardiology Mar 25 2025 The rate of maternal mortality related to cardiovascular causes more than doubled between 1999 and 2022 in the United States, according to a study being presented at the American College of Cardiology's Annual Scientific Session (ACC.25). The finding is concerning, especially as the U.S. has the highest overall rate of maternal mortality among all developed countries, researchers said. Since cardiovascular problems are a leading cause of death around