Correlation between Pregnancy Outcome and Placental Pathology in COVID-19 Pregnant Women

Table 3

Comparison of placental histopathological findings between COVID-19 group and control group.

Placental histopathological findings	COVID-19	Control
Avascular villi, fibrin, and thrombosis	4 (8.0%)	0 (0.0%)	0.040 F
Avascular villi	32 (64.0%)	0 (0.0%)	<0.001 C
Fibrin, thrombosis, and meconium macrophage	12 (24.0%)	0 (0.0%)	<0.001 C
Fibrin and microvascular thrombosis	24 (48.0%)	8 (13.3%)	<0.001 C
Avascular villi and thrombosis	8 (16.0%)	0 (0.0%)	0.001 F
Thrombosis and meconium macrophage	8 (16.0%)	0 (0.0%)	0.001 F
Avascular villi and meconium macrophage	8 (16.0%)	0 (0.0%)	0.001 F

: number of cases; C: chi-square test; F: Fischer exact test; : significant at ; : significant at ; NS: not significant at .