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

Table 2

Comparison of umbilical cord histopmorphological findings between COVID-19 group and control group.

Chord histopathological findings	COVID-19	Control
Increase thickness of the vessels	4 (8.0%)	32 (53.3%)	<0.001 C
Thrombus	8 (16.0%)	0 (0.0%)	0.001 F
Endotheliitis and narrow lumen	24 (48.0%)	0 (0.0%)	<0.001 C
Narrow lumen and thrombus	20 (40.0%)	0 (0.0%)	<0.001 C
Narrow lumen	4 (8.0%)	0 (0.0%)	0.040 F
Hypercoiling of umbilical cord	3 (6.0%)	0 (0.0%)

: number of cases; C: chi-square test; F: Fischer exact test; : significant at ; : significant at .