Table 2 Placental histopathological characteristics
From: Histopathological and clinical analysis of COVID-19-infected placentas
Morphological Features | n | % | |
|---|---|---|---|
Placental weight | Adequate for gestational age | 11 | 47.8 |
Small for gestational age | 11 | 47.8 | |
Large for gestational age | 1 | 4.4 | |
MVM | Decidual vasculopathy | 16 | 69.5 |
Intervillous thrombosis | 16 | 69.5 | |
Infarcts | 22 | 95.6 | |
Fibrin deposition increase | 19 | 82.6 | |
FVM | Fetal vascular thrombosis and Subintimal fibrin deposition | 17 | 73,9 |
Avascular villi and Stromal-vascular karyorexis | 20 | 86,9 | |
Inflammatory changes | Chronic and/or acute intervillositis | 19 | 82.6 |
High grade placentitis | 17 | 73.9 | |
Chorionitis and/or subchorionitis | 13 | 56.5 | |
UC | Funicular vascular thrombi | 8 | 34.7 |
Imunohistochemistry for Sars-CoV-2 | Positive | 16 | 69.5 |
Negative | 8 | 30.5 |