Table III.

Placental pathological and clinical findings in COVID-19-positive mothers.

No.	Pathological findings	Case no.a	Clinical findings	Labor modus
1	Maternal vascular malperfusion	9/14	Moderate fever, mild cough	Spontaneous delivery
2	Decidual arteriopathy/atherosis	8/14	Moderate fever, mild cough	Cesarean section
3	Fibrinoid necrosis	11/14	Moderate fever, mild cough	Cesarean section
4	Mural hypertrophy of the arterioles of the membranes	8/14	Moderate fever, mild cough	Spontaneous delivery
5	Oligohydramnios	5/14	Moderate fever, mild cough	Cesarean section
6	Massive chronic histolytic intervillositis	6/14	Moderate fever, mild cough	Cesarean section
7	Deciduitis	14/14	Moderate fever, mild cough	Spontaneous delivery
8	Delayed chronic villous maturation	10/14	Moderate fever, mild cough	Cesarean section
9	Vascular thrombosis	12/14	Moderate fever, mild cough	Cesarean section
10	Acute chorioamnionitis	13/14	Moderate fever, mild cough	Cesarean section
11	Acute funisitis	12/14	Moderate fever, mild cough	Cesarean section
12	Massive fibrin deposition	13/14	Moderate fever, mild cough	Cesarean section
13	Intramural fibrin deposition	12/14	Moderate fever, mild cough	Spontaneous delivery
14	Avascular villi	8/14	Moderate fever, mild cough	Cesarean section

^aThere were a total of 14 cases; ‘Case’ does not represent the no. of cases with reported clinical symptoms; the number represents the chronological order in which the case presented to the authors' department, commencing from June, 2020 until January, 2021.