Fig. 1
From: Histopathological and clinical analysis of COVID-19-infected placentas

Microscopic features and immunohistochemistry for SARS-CoV-2 in examined placentas. A Fibrin perivillous deposition with chronic and acute villous deposition (10x). B Proliferative villitis (4x). C Immunohistochemistry for SARS-CoV-2 showing diffuse positivity in the syncytiotrophoblast (10x). D High power field showing positivity in the syncytiotrophoblast (40x)