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. 2021 Jan;11(1):e15-e20.
doi: 10.1055/s-0040-1721673. Epub 2021 Feb 1.

Clinical Characteristics of Mother-Infant Dyad and Placental Pathology in COVID-19 Cases in Predominantly African American Population

Sanket Jani  1 , Suzanne M Jacques  2 , Faisal Qureshi  2 , Girija Natarajan  1 , Sujit Bajaj  3 , Pradeep Velumula  4 , Cindy Agu  4 , Monika Bajaj  1
Affiliations

Clinical Characteristics of Mother-Infant Dyad and Placental Pathology in COVID-19 Cases in Predominantly African American Population

Sanket Jani et al. AJP Rep. 2021 Jan.

Abstract

Objective In this currently evolving coronavirus disease 2019 (COVID-19) pandemic, the evidence is scarce about the impact of COVID-19 infection on women in labor and neonates in an inner city African-Americans (AA) population. The objective of this study was to evaluate the clinical outcomes and placental pathology in mother-infant dyads in COVID-19 cases. Study Design Retrospective chart review was conducted on 34 COVID-19 positive mother-infant dyads to study their baseline characteristics and outcomes. Placental pathology was reviewed by two perinatal pathologists. Results COVID-19 was noted in 3% of pregnant women who delivered in our institution. The majority (82%) of them were asymptomatic. Out of the four mothers who were symptomatic, only three (9%) required supplemental oxygen. None of them required invasive ventilation. All the neonates tested negative for COVID-19 at 24 hours of age. There were no gross or microscopic pathological abnormalities detected that could be definitely associated with any COVID-19 related complications during pregnancy in any of the 34 placentas. Conclusion COVID-19 does not appear to increase morbidity and mortality among pregnant women and their neonates in a predominantly AA population. Our study did not find any evidence of vertical transmission of COVID-19 infection nor any specific findings on placental pathology. Key Points Majority of women infected by coronavirus disease 2019 (COVID-19) during labor were asymptomatic.None of the newborns tested positive for COVID-19 at 24 hours of age.Placental pathology findings were nonspecific in COVID-19 mothers.

Keywords: Covid-19; perinatal effect; placenta pathology; vertical transmission.

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Conflict of interest statement

Conflict of Interest None declared.

Figures

Fig. 1
Fig. 1
Chronic chorioamnionitis. Maternal T-lymphocytes are seen infiltrating into the trophoblast layer and chorionic connective tissues of the extraplacental membranes.
Fig. 2
Fig. 2
Villous hypervascularization (villous chorangiosis). Increased number of capillaries are present in terminal chorionic villi.
Fig. 3
Fig. 3
Intervillous thrombus. Laminated blood clot (lower left corner) pushes and slightly compresses adjacent chorionic villi.
See this image and copyright information in PMC

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