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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