Fetal Deaths in SARS-CoV-2-Infected Pregnant Women: A Portuguese Case Series

Table 1

Maternal and pregnancy characteristics of stillbirth cases that occurred in a tertiary centre in Portugal between April 2020 and March 2021.

		All stillbirths ()	SARS-CoV-2 negative ()	SARS-CoV-2 positive ()	value ( test)
Maternal age		30.21 (5.78)	31.22 (6.72)	28.40 (3.43)	0.31
Parity	Nulliparous	5 (35.71%)	4 (44.44%)	1 (20.00%)	0.58
	Multiparous	9 (64.28%)	5 (55.55%)	4 (80.00%)
Origin	African	3 (21.42%)	1 (11.11%)	2 (40.00%)	0.68
	Asian	1 (7.14%)	1 (11.11%)	0
	European	10 (71.42%)	7 (77.77%)	3 (60.00%)
Pregnancy follow up	Primary care	5 (35.71%)	3 (33.33%)	2 (40.00%)	0.80
	Tertiary hospital	5 (35.71%)	4 (44.44%)	1 (20.00%)
	Private hospital	4 (28.57%)	2 (22.22%)	2 (40.00%)
Relevant medical history		2 (14.28%)	2 (22.22%)	0	0.50
Of which, chronic hypertension		1 (7.14%)	1 (11.11%)	0	1
Relevant obstetric history		6 (42.85%)	3 (33.33%)	3 (60.00%)	1
Of which, preeclampsia		2 (14.28%)	1 (11.11%)	1 (20.00%)	0.50
Of which, fetal growth restriction		1 (7.14%)	0	1 (20.00%)
Obstetric outcomes in the current pregnancy	Preeclampsia/HELLP syndrome	4 (28.57%)	1(11.11%)	3 (60.00%)	0.09
	Gestational diabetes	2 (14.28%)	2 (22.22%)	0	0.50
	Hydramnios	2 (14.28%)	2 (22.22%)	0	0.50
	Rupture of membranes	1 (7.14%)	1 (11.11%)	1 (20.00%)	1
	Fetal-maternal haemorrhage	1 (7.14%)	1 (11.11%)	0	1
Stillbirth gestational age		34.29 (4.61)	33.67 (5.22)	35.40 (3.50)	0.47
Stillbirth weight (centile)	Normal birth weight	10 (71.42%)	9 (100.00%)	1 (20.00%)	0.01
	Low birth weight	3 (21.42%)	0	3 (60.00%)
	Unknown	1 (7.14%)	0	1 (20.00%)
Mode of delivery	Vaginal	9 (64.28%)	6 (66.66%)	3 (60.00%)	1
	Caesarean	5 (35.71%)	3 (33.33%)	2 (40.00%)