Table 1. Clinical features of mothers with perinatal 2019-nCoV infection.

Case No.	1	2	3	4	5	6	7	8/9	10
Age (years)	25	35	35	30	30	30	30	29	34
Symptom onset	On the day of cesarean section	On the day of cesarean section	2 d after delivery	3 d after delivery	6 d before delivery	4 d before delivery	1 d before delivery	3 d before delivery	1 d after delivery
First symptom(s)	Fever	Fever	Cough	Fever	Cholecystitis and fever	Fever and cough	Fever, cough, sore throat, and diarrhea	Fever and cough	Fever
Intrauterine fetal distress	Yes	No	Yes	Yes	No	Yes	Yes	Yes	No
Other medical histories during pregnancy	No	Scarred uterus	No	Vaginal bleeding in the third trimester	No	No	No	No	No
Delivery mode	Cesarean section	Cesarean section	Vaginal delivery	Cesarean section	Cesarean section	Cesarean section	Cesarean section	Vaginal delivery	Cesarean section
Premature rupture of membranes	No	5 h	7 h	No	No	No	No	6 h	No
Umbilical cord	Torsion	Normal	Normal	Normal	Normal	Colloid	Normal	Normal	Normal
Placenta	Normal	Normal	Normal	Normal	Normal	Placenta previa	Normal	Normal	Normal
Amniotic fluid	Oligohydramnios	Normal	Normal	Normal	Normal	Polyhydramnios	Normal	Normal	Normal