Neurodevelopmental Outcomes in Children Born to Mothers Infected with SARS-CoV-2 During Pregnancy: A Narrative Review
Daniela Păcurar1,2, Alexandru Dinulescu1,2, Ana Prejmereanu1,2
1Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania.
Insights
Maternal SARS-CoV-2 infection during pregnancy did not show a consistent link to adverse infant neurodevelopmental outcomes up to 24 months. Further research is needed due to study variations.
Area of Science:
- Perinatology
- Neuroscience
- Infectious Diseases
Background:
- Maternal SARS-CoV-2 infection during pregnancy raises concerns about offspring neurodevelopment.
- Existing studies on exposed infants show inconsistent findings across developmental domains.
Purpose of the Study:
- To synthesize current evidence on neurodevelopmental outcomes in infants exposed to SARS-CoV-2 in utero.
- To evaluate the impact of maternal COVID-19 infection on infant neurodevelopment.
Main Methods:
- Conducted a narrative review following PRISMA guidelines.
- Searched PubMed, Cochrane, and ScienceDirect for relevant studies.
- Included 19 studies and assessed their quality using the Newcastle-Ottawa Scale.
Main Results:
- 12 studies reported mild, domain-specific neurodevelopmental delays, often not statistically significant.
- 7 studies, primarily high-quality, found no significant differences between exposed and unexposed infants.
- Wide variation in assessment tools and follow-up durations limited comparability.
Conclusions:
- Current evidence does not consistently link in utero SARS-CoV-2 exposure to adverse neurodevelopmental outcomes up to 24 months.
- Heterogeneity in methods and short follow-up periods necessitate high-quality longitudinal research.
Abstract:
Background: The potential impact of maternal SARS-CoV-2 infection during pregnancy on the neurodevelopment of offspring has raised considerable concern. Emerging studies have evaluated various developmental domains in exposed infants, yet findings remain inconsistent. Objective: To synthesize current evidence regarding neurodevelopmental outcomes in infants born to mothers with confirmed SARS-CoV-2 infection during pregnancy. Methods: We conducted a narrative review following PRISMA guidelines. A literature search was performed in PubMed, Cochrane, and ScienceDirect using keywords including "COVID-19", "pregnancy", "neurodevelopment", and "SARS-CoV-2". Nineteen studies were included. Data were extracted regarding study design, sample size, timing of exposure, age at assessment, developmental tools used, and key findings. Study quality was assessed using the Newcastle-Ottawa Scale. Results: Among 19 included studies, 12 reported at least some neurodevelopmental delays, particularly in motor and language domains. However, these delays were generally mild, domain-specific, and often not statistically significant. Seven studies, most of which were high-quality and low-risk, reported no significant differences between exposed and unexposed groups. Assessment tools and follow-up durations varied widely, limiting comparability. Conclusions: Current evidence does not support a consistent association between in utero SARS-CoV-2 exposure and an unfavorable neurodevelopmental outcome up to 24 months. However, heterogeneity in methods and short-term follow-up warrant further high-quality longitudinal research.
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