Dr. Caritis's research focuses on pregnancy complications especially preterm birth and pregnancy pharmacology. He has been the Principal Investigator (PI) on five MFMU Networks and currently the PI for the OPRU Network and Co-PI of the Nullipara Network, as well as the PI on the only T32 in Obstetrical Pharmacology in the United States. Dr. Caritis has been Director of the Maternal-Fetal Medicine Fellowship for 15 years. Our fellowship is one of the largest MFM fellowships in the United States with nine total fellows. Both the department and fellowship are very research focused with the majority of graduating fellows going to academic departments.