Table 1.

General characteristics of the included studies

Author	Year	Study location	Study period	Study design	Pregnancies, n	Type of coronavirus	Mean maternal age, y
Chen et al16	2020	China	2020	Retrospective	9	SARS-CoV-2	29.9
Wang et al7	2020	China	2020	Case report	1	SARS-CoV-2	28.0
Zhu et al18	2020	China	2020	Retrospective	9	SARS-CoV-2	30.9
Li et al19	2020	China	2020	Case report	1	SARS-CoV-2	30.0
Liu et al20a	2020	Hubei, China	2020	Retrospective	11	SARS-CoV-2	32.5
Liu et al21	2020	Guangdong, China	2020	Retrospective	10	SARS-CoV-2	30.5
Alfaraj et al22	2019	Saudi Arabia	2015	Case series	2	MERS-CoV	34.0
Jeong et al23	2017	South Korea	2015	Case report	1	MERS-CoV	39.0
Alserehi et al24	2016	Saudi Arabia	NR	Case report	1	MERS-CoV	33.0
Assiri et al25	2016	Saudi Arabia	2012–2016	Case series	5	MERS-CoV	30.8
Malik et al26	2016	United Arab Emirates	2013	Case report	1	MERS-CoV	32.0
Park et al27	2016	South Korea	2015	Case report	1	MERS-CoV	39.0
Payne et al28	2014	Jordan	2012	Case report	1	MERS-CoV	39.0
Yudin et al29	2005	Canada	NR	Case report	1	SARS-CoV	33.0
Wong et al30	2004	Hong Kong, China	2003	Retrospective	12	SARS-CoV	30.6
Lam et al31	2004	China	2003	Retrospective	10	SARS-CoV	31.6
Robertson et al32	2004	USA	2003	Case report	1	SARS-CoV	36.0
Schneider et al33	2004	United States	2003	Case report	1	SARS-CoV	NR
Stockman et al34	2004	United States	2003	Case report	1	SARS-CoV	38.0

CoV, coronavirus; CoV-2, novel mutation of CoV; MERS, Middle East respiratory syndrome; NR, not reported; SARS, severe acute respiratory syndrome.

Di Mascio et al. Outcome of coronavirus spectrum infections during pregnancy. AJOG MFM 2020.

^aPreliminary data, before peer review version.