Assessing maternal, neonatal SARS-CoV-2 viral load, transplacental antibody transfer, placental pathology

What The Study Did: This report of maternal viral load, transplacental antibody transmission and placental pathology in 127 pregnancies during the SARS-CoV-2 pandemic provides needed data about maternal viral control, reduced transplacental transfer of anti-SARS-CoV-2 antibodies and lack of vertical transmission in mother-newborn pairs.

Authors: Andrea G. Edlow, M.D., M.Sc., of the Massachusetts General Hospital in Boston, is the corresponding author.

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(doi:10.1001/jamanetworkopen.2020.30455)

Editor’s Note: The article includes conflict of interest and funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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Media advisory: The full study is linked to this news release.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.