ReviewJournal of perinatology : official journal of the California Perinatal Association2026
Factors influencing SARS-CoV-2 placental antibody transfer and neonatal transmission. A prospective, cohort study and review of available literature.
Review in Journal of perinatology : official journal of the California Perinatal Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed.
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Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo describe SARS-CoV-2 serologic status, associated factors, and neonatal transmission following gestational COVID-19. STUDY
designProspective cohort study including neonates born to mothers with gestational COVID-19 at Hospital del Mar (Barcelona) between March 2020 and May 2022.
resultsA total of 263 infants and 261 mothers were included. High seropositivity was observed in infected mothers (88.9%) and their newborns (82.8%), particularly following early gestational and mild-to-moderate infections and among vaccinated mothers. Higher placental antibody transfer ratios were observed in earlier maternal infections. However, a longer infection-to-delivery interval increased transfer ratios only for anti-nucleocapsid antibodies. Neonatal antibodies persisted for at least six months. Only 6.1% of neonates born to mothers with active infection tested positive, with no evidence of congenital transmission.
conclusionsSARS-CoV-2 antibody placental transfer is frequent and efficient, conferring passive immunity during the first six months of life. Neonatal infection rate was low and attributable to horizontal transmission.
Indexed as
Identifiers
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Registered trials
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