Publication date: Jan 30, 2025

The COVID-19 pandemic has raised significant concerns regarding its potential impact on maternal and neonatal health. This study aimed to investigate the immunologic and hemostatic profiles of neonates exposed to SARS-CoV-2 during the peripartum period (0-14 days prior to delivery). This retrospective study included 28 neonates born to COVID-19-positive mothers during the peripartum period and a control group of 54 neonates born to mothers who never tested positive for SARS-CoV-2 during pregnancy. Arterial blood samples were collected from all neonates on the second day of life for the simultaneous assessment of full blood count, C-reactive protein (CRP), serum interleukin-6 (IL-6), and Interferon gamma-induced protein 10 (IP-10) levels, as well as Rotational Thromboelastometry (ROTEM) tests (EXTEM, INTEM, and NATEM). Neonates born to COVID-19-positive mothers and those born to COVID-19-negative mothers exhibited similar coagulation profiles based on ROTEM analysis. Multiple linear regression analysis revealed that peripartum COVID-19 infection was associated with higher IP-10 levels in neonates (coefficient: +16. 8, 95% CI: +9. 0 to +24. 6, p < 0. 0001). Our study findings suggest that the presence of immunologic disturbance in neonates is related to recent peripartum exposure to maternal SARS-CoV-2 infection, as evidenced by increased IP-10 levels in blood samples obtained from neonates born to SARS-CoV-2-positive mothers. However, peripartum exposure to maternal SARS-CoV-2 did not appear to disrupt the hemostatic profile of the exposed newborns based on ROTEM test results.

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