Report summary

For University of Michigan–ann Arbor Department of Obstetrics and Gynecology in 2018-2020, the graph shows 31 visible PIs and 39 internal PI collaborations. The dominant subject mix is Medicine as the leading field (50% of slots across 29 PIs; 29 labels), Pediatrics, Perinatology and Child Health as the leading subfield (12% of slots across 10 PIs; 10 labels), and Global Maternal and Child Health as the leading topic (6% of slots across 6 PIs; 6 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Vasantha Padmanabhan (22.4 weighted works; Birth, Development, and Health, Effects and risks of endocrine disrupting chemicals); Roberto Romero (19.9 weighted works; Congenital Heart Disease Studies, Preterm Birth and Chorioamnionitis). The most visible ties are Vasantha Padmanabhan and Molly B. Moravek (7 shared works, weight 3.4). The standout breakdown groups are group 1 with 6 PIs, 7 internal connections, weight 15.4, around Public Health, Environmental and Occupational Health, Social Psychology, Obstetrics and Gynecology, led by Vasantha Padmanabhan, Molly B. Moravek, Erica E. Marsh; group 2 with 5 PIs, 4 internal connections, weight 6.6, around Rheumatology, Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health, led by Carolyn W. Swenson, Lisa Kane Low, John O. L. DeLancey.