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Research funding: None declared.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: Authors state no conflict of interest.
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Informed consent: Informed consent was obtained from all individuals included in this study.
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Ethical approval: The local Institutional Review Board deemed the study exempt from review.
References
1. Zheng, X-M, Cai, J, Wu, M-J. Comment on “Clinical manifestation, outcomes in pregnant women with COVID-19 and the possibility of vertical transmission: a systematic review of the current data”. J Perinat Med 2021;50:113–4. https://doi.org/10.1515/jpm-2021-0369.Search in Google Scholar PubMed
2. Han, Y, Ma, H, Suo, M, Han, F, Wang, F, Ji, J, et al.. Clinical manifestation, outcomes in pregnant women with COVID-19 and the possibility of vertical transmission: a systematic review of the current data. J Perinat Med 2020;48:912–24. https://doi.org/10.1515/jpm-2020-0431.Search in Google Scholar PubMed
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