Her research focuses on finding ways to improve maternal and infant health. Exposure themes include nutrition, social context, care, environmental contaminants and genetics. Outcomes include severe maternal morbidity, stillbirth, birth defects, and preterm delivery. She is particularly interested in understanding the intersection of these varied types of exposures and outcomes and how they interact to impact health and health disparities, for the mother-baby dyad, in domestic as well as global health settings.