his research is focused on the prediction and prevention of adverse obstetric outcomes, including preventing of surgical site infection after cesarean delivery, management of labor, and optimizing management of medical complications in pregnancy. He currently leads three R01s for ongoing multicenter trials on treating postpartum hemorrhage, managing anemia in pregnancy, and optimizing glycemic control in overweight and obese women with gestational diabetes. He also leads a Department of Health and Human Services grant to develop a participatory model for integrating community-based maternal support services into perinatal care to address care coordination and social determinants of health and test the impact on perinatal health equity.