Table 3 Gestational age, infection timing, and clinical characteristics of COVID-19-positive mothers and neonates

Asymptomatic (219/12%)

Respiratory manifestations:

-Cough (934/52.2%)

-Dyspnoea (417/23.3%)

-Respiratory support needed (130/7%)

-Expectoration (1/0.05%)

-Sore throat (44/2.4%)

-Minor symptoms (124/7%)

-Critical symptoms (35/2%)

-Rhinorrhoea (20/1%)

-Chest pain (2/0.1%))

GIT manifestations:

-Diarrhea (78/4.4%)

-Abdominal pain (2/0.1%)

-Vomiting (41/2.2%)

CNS manifestations:

-Limb asthenia (1/0.05%)

-Anosmia (180)

-Lethargy (76/4.3%)

-Dysgeusia (1/0.05%)

-Headache (60/3.3%)

Others:

- Fever (951/53%)

-Myalgia & joint pain (56/3%)

-Back pain (2/0.1%)

-Tachycardia (1/0.05%)

-Tachypnea (1/0.05%)

Asymptomatic (11/24%)

Respiratory manifestations (8/17%)

-Pneumonia (4/8%)

-Intubated (2/4%)

- Ventilated (1/2%)

-Cough (1/2%)

CNS manifestations (3/7%)

-Irritability (1/2%)

-Axial hypertonia and opisthotonus (1/2%)

-Neonatal encephalopathy (1/2%)

Feeding disorders and GERD (7/15%)

Evidence of intrauterine fetal asphyxia: (9/20%)

-Meconium-stained liquor (3/7%)

- Suboptimal cardiotocography: Fetal late heart deceleration/fetal bradycardia

(6/14%)

-IUGR (3/7%)

Others: (6/13%)

-Myocardial dysfunction/cardiogenic shock (2/4%)

-Hypoglycaemia (1/2%)

-Fever (2/4%)

-Diarrhea (1/2%)

Not reported (14/31%)

Less than 12 h (19 /42%)

< 24 h and > 12 h (7 /16%)

After 24 h (5 /11%)

Not reported (14/31%)

Not reported (26 /57.8%)

Preterm and IUGR

(3/7%)

24 W (1/2.2%)

34 W (1/2.2%)

35 W (1/2.2%)

Full term

(16/35%)

36 W (4/8.9%)

37 W (2/4.4%)

38 W (6 /13.3%)

39 W (2/4.4%)

40 W (2/4.4%)

1st trimester (46/3%)

2nd trimester (273/16%)

3rd trimester (1313/73%)

Not reported (155/8%)

Total: 1787 COVID-19 mothers