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. 2020 Oct 8;224(4):391.e1–391.e7. doi: 10.1016/j.ajog.2020.10.005

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Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Time elapsed between spontaneous abortion care, diagnostic testing and seromolecular profiles

Last menstruation (black arrow); hospital care for early pregnancy loss (black vertical line); first reported case of COVID-19 in Piedmont (dotted black line); time elapsed between the spontaneous abortion and diagnostic testing (rectangular green box); pregnancy (rectangular violet box); serological and/or molecular sampling (red line); reported COVID-19–related symptoms (x); days elapsed between the spontaneous abortion and diagnostic testing (asterisk).

COVID-19 outbreak cases in Piedmont Region: weekly case increase.

GA, gestational age; IgG, immunoglobulin G; IgM, immunoglobulin M; neg, negative; NS, nasopharyngeal swab.

Cosma et al. Coronavirus disease 2019 and early pregnancy loss. Am J Obstet Gynecol 2021.

graphic file with name fx1_lrg.gif — Time elapsed between spontaneous abortion care, diagnostic testing and seromolecular profiles

Last menstruation (black arrow); hospital care for early pregnancy loss (black vertical line); first reported case of COVID-19 in Piedmont (dotted black line); time elapsed between the spontaneous abortion and diagnostic testing (rectangular green box); pregnancy (rectangular violet box); serological and/or molecular sampling (red line); reported COVID-19–related symptoms (x); days elapsed between the spontaneous abortion and diagnostic testing (asterisk).

COVID-19 outbreak cases in Piedmont Region: weekly case increase.

GA, gestational age; IgG, immunoglobulin G; IgM, immunoglobulin M; neg, negative; NS, nasopharyngeal swab.

Cosma et al. Coronavirus disease 2019 and early pregnancy loss. Am J Obstet Gynecol 2021.