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Review
. 2023 Nov 21;12(23):7219.
doi: 10.3390/jcm12237219.

A Meta-Analysis of the Global Stillbirth Rates during the COVID-19 Pandemic

Manoj Mohan  1 , Kwabena Appiah-Sakyi  2 , Ashok Oliparambil  3 , Abdul Kareem Pullattayil  4 , Stephen W Lindow  5 , Badreldeen Ahmed  6   7 , Justin C Konje  6   8   9
Affiliations
Review

A Meta-Analysis of the Global Stillbirth Rates during the COVID-19 Pandemic

Manoj Mohan et al. J Clin Med. .

Abstract

COVID-19 has been shown to have variable adverse effects on pregnancy. Reported data on stillbirth rates during the pandemic have, however, been inconsistent-some reporting a rise and others no change. Knowing the precise impact of COVID-19 on stillbirths should help with the planning and delivery of antenatal care. Our aim was, therefore, to undertake a meta-analysis to determine the impact of COVID-19 on the stillbirth rate. Databases searched included PubMed, Embase, Cochrane Library, ClinicalTrials.gov, and Web of Science, with no language restriction. Publications with stillbirth data on women with COVID-19, comparing stillbirth rates in COVID-19 and non-COVID-19 women, as well as comparisons before and during the pandemic, were included. Two independent reviewers extracted data separately and then compared them to ensure the accuracy of extraction and synthesis. Where data were incomplete, authors were contacted for additional information, which was included if provided. The main outcome measures were (1) stillbirth (SB) rate in pregnant women with COVID-19, (2) stillbirth rates in pregnant women with and without COVID-19 during the same period, and (3) population stillbirth rates in pre-pandemic and pandemic periods. A total of 29 studies were included in the meta-analysis; from 17 of these, the SB rate was 7 per 1000 in women with COVID-19. This rate was much higher (34/1000) in low- and middle-income countries. The odds ratio of stillbirth in COVID-19 compared to non-COVID-19 pregnant women was 1.89. However, there was no significant difference in population SB between the pre-pandemic and pandemic periods. Stillbirths are an ongoing global concern, and there is evidence that the rate has increased during the COVID-19 pandemic, but mostly in low- and middle-income countries. A major factor for this is possibly access to healthcare during the pandemic. Attention should be focused on education and the provision of high-quality maternity care, such as face-to-face consultation (taking all the preventative precautions) or remote appointments where appropriate.

Keywords: COVID-19; SARS; meta-analysis; pre- and post-pandemic; stillbirth.

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Conflict of interest statement

The authors report no conflict of interest.

Figures

Figure 1
Figure 1
PRISMA Flowchart.
Figure 2
Figure 2
Forest plot, outcome one. SB rate in pregnant women with COVID-19.
Figure 3
Figure 3
Forest plot, outcome two. SB rates in pregnant women with and without COVID-19 during the same time period.
Figure 4
Figure 4
Forest plot, outcome three. Population SB rates in pre-pandemic and pandemic periods.
See this image and copyright information in PMC

References

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