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Table 1 Review of studies reporting coronavirus infection in pregnant women

From: The effect of coronavirus infection (SARS-CoV-2, MERS-CoV, and SARS-CoV) during pregnancy and the possibility of vertical maternal–fetal transmission: a systematic review and meta-analysis

Author Year Study area Test design Pregnancy (n) Age group Virus detected in mother Severe cases n (%)
Chen [12] 2020 China Retrospective 9 26–40 SARS-CoV-2 0 (0%)
Zhu [26] 2020 Wuhan Retrospective 9 25–35 SARS-CoV-2 2 (22.2%)
Penfield [27] 2020 New York Retrospective 11 22–40 SARS-CoV-2 5 (45.5%)
Liu [28] 2020 Wuhan Case series 3 30–34 SARS-CoV-2 3 (100%)
Yan [29] 2020 China Retrospective 65 24–40 SARS-CoV-2 8 (12.5%)
Zhang [30] 2020 Wuhan Retrospective 16 24–34 SARS-CoV-2 1 (6.3%)
Pierce [31] 2020 US Cohort study 64 n/a SARS-CoV-2 64 (100%)
Chen [32] 2020 Wuhan Cross-sectional 5 25–30 SARS-CoV-2 0 (0%)
Dong [33] 2020 Wuhan Case report 1 29 SARS-CoV-2 1 (100%)
Fan [34] 2020 Wuhan Case report 2 29,34 SARS-CoV-2 n/a
Yang [35] 2020 Wuhan Cross-sectional 7 n/a SARS-CoV-2 n/a
Li [36] 2020 China Case report 1 30 SARS-CoV-2 0 (0%)
Wang [37] 2020 China Case report 1 28 SARS-CoV-2 n/a
Cui [38] 2020 China Case report 1 55 SARS-CoV-2 1 (100%)
Yu [39] 2020 Wuhan Retrospective 7 29–34 SARS-CoV-2 0 (0%)
Zeng [40] 2020 Wuhan Cohort study 33 n/a SARS-CoV-2 n/a
Breslin [41] 2020 New York Retrospective 43 20–39 SARS-CoV-2 6 (14.0%)
Liu [42] 2020 China Retrospective 13 24–36 SARS-CoV-2 2 (15.4%)
Liu [43] 2020 Wuhan Retrospective 15 23–40 SARS-CoV-2 n/a
Liu [44] 2020 Shanghai Retrospective 16 22–42 SARS-CoV-2 n/a
Liu [45] 2020 Wuhan Cross-sectional 10 27–34 SARS-CoV-2 n/a
Knight [46] 2020 UK Prospective 427 n/a SARS-CoV-2 40
Lokken [47] 2020 USA Retrospective 46 26–34 SARS-CoV-2 n/a
Lumbreras [48] 2020 Mexico Retrospective 308 26–39 SARS-CoV-2 n/a
Andrikopoulou [49] 2020 NewYork Case series 158 n/a SARS-CoV-2 34
MERS-CoV
 Assiri [50] 2016 SA Case series 5 15–45 MERS-C0V 5 (100%)
 Alfaraj [51] 2019 SA Case series 2 29, 39 MERS-C0V 0
 Jeong [52] 2017 SK Case report 1 39 MERS-C0V 0
 Park [53] 2016 SK Case report 1 39 MERS-C0V 1 (100%)
 Malik [54] 2016 UAE Case report 1 32 MERS-C0V 1 (100%)
 Payne [55] 2014 Jordan Case report 1 39 MERS-C0V 0
 Alserehi [56] 2016 SA Case report 1 33 MERS-C0V 1 (100%)
SARS-CoV
 Robertson [57] 2004 USA Case report 1 36 SARS-CoV 1 (100%)
 Stockman [58] 2004 USA Case report 1 38 SARS-CoV 0
 Lam [59] 2004 China Case control 10 25–37 SARS-CoV 6 (60%)
 Wong [60] 2004 China Retrospective 12 24–44 SARS-CoV 6 (50%)
 Schneider [61] 2004 USA Case report 1 SARS-CoV 0
 Ng [62] 2006 China Retrospective 7 25–34 SARS-CoV 3 (42.9%)
 Yudin [63] 2005 Canada Case report 1 33 SARS-CoV 0
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