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Obstetric and neonatal outcomes after SARS-CoV-2 infection in the first trimester of pregnancy: A prospective comparative study.


ABSTRACT:

Objective(s)

This prospective observational cohort study aimed to evaluate whether women with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection during the first trimester of pregnancy are at higher risk of adverse obstetric and neonatal outcomes compared to negative patients.

Study design

Seromolecular testing for SARS-CoV-2 was performed at 12, 16, 21 weeks, and at delivery; the cohort was then subdivided into a first-trimester SARS-CoV-2-positive (case) group and a SARS-CoV-2-negative (control) group. The primary outcome was a composite adverse obstetric outcome, defined as the presence of either abortion, preterm delivery, preterm prelabor rupture of membranes, preeclampsia, intrauterine growth restriction, stillbirth; and a composite measure of adverse neonatal events, including either 1- and 5-min Apgar score ≤ 7, neonatal intensive care unit admission and congenital birth defects. Maternal symptoms and antibody titer were secondarily assessed.

Results

A total of 17 of 164 women tested positive for SARS-CoV-2 (10.3%) in the first trimester. One SARS-CoV-2-positive patient who gave birth at another hospital was excluded. Composite adverse obstetric outcome was observed in 6.2% (1/16) SARS-CoV-2-positive and 10.5% (11/105) SARS-CoV-2-negative women; composite adverse neonatal outcome in 12.5% (2/16) and 7.6% (8/105), respectively. In the newborns of women who had developed IgG antibodies, the same antibodies were detected in arterial cord blood and the nasopharyngeal swab tested negative for SARS-CoV-2. No maternal pneumonia or hospital admission due to coronavirus disease-19 were recorded.

Conclusion

Asymptomatic or mildly symptomatic women during the first trimester of pregnancy did not experience significantly more adverse events than SARS-CoV-2-negative women.

SUBMITTER: Cosma S 

PROVIDER: S-EPMC9299461 | biostudies-literature |

REPOSITORIES: biostudies-literature

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