Neonatal Feeding Practices and SARS-CoV-2 Transmission in Neonates with Perinatal SARS-CoV-2 Exposure: A Systematic Review and Meta-Analysis

Background: The risk of neonatal SARS-CoV-2 infection from the mother’s own milk (MoM) in neonates who are exposed to maternal SARS-CoV-2 during the perinatal period remains unclear. We conducted a systematic review to assess the association between MoM feeding and neonatal SARS-CoV-2 infection in n...

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Bibliographic Details
Published in:Journal of clinical medicine 2025-01, Vol.14 (1), p.280
Main Authors: Babata, Kikelomo, Sultana, Rehena, Hascoët, Jean-Michel, Albert, Riya, Chan, Christina, Mazzarella, Kelly, Muhamed, Tanaz, Yeo, Kee Thai, Kong, Juin Yee, Brion, Luc P.
Format: Article
Language:English
Subjects:
Babies
Bias
Breastfeeding & lactation
Cohort analysis
COVID-19
Disease transmission
Infant mortality
Infections
Meta-analysis
Mothers
Newborn babies
Pandemics
Pregnancy
Severe acute respiratory syndrome coronavirus 2
Systematic review
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Summary:Background: The risk of neonatal SARS-CoV-2 infection from the mother’s own milk (MoM) in neonates who are exposed to maternal SARS-CoV-2 during the perinatal period remains unclear. We conducted a systematic review to assess the association between MoM feeding and neonatal SARS-CoV-2 infection in neonates who were born to SARS-CoV-2-positive pregnant persons. Methods: PubMed Central and Google Scholar were searched for studies published by 14 March 2024 that reported neonatal SARS-CoV-2 infection by feeding type. This search, including Scopus, was updated on 17 December 2024. The primary outcome was neonatal SARS-CoV-2 infection. The meta-analysis was conducted using a random effects model with two planned subgroup analyses: time of maternal PCR testing (at admission vs. previous 2 weeks) and dyad handling (isolation vs. some precautions vs. variable/NA). Results: The primary outcome was available in both arms of nine studies, including 5572 neonates who received MoM and 2215 who received no MoM. The GRADE rating was low quality, because the studies were observational (cohorts). The frequency of SARS-CoV-2 infection was similar in both arms (2.7% MoM vs. 2.2% no MoM), with a common risk ratio of 0.82 (95% confidence interval 0.44, 1.53, p = 0.54). No significant differences were observed in the subgroup analyses. Limitations include observational and incomplete data, other possible infection sources, small sample sizes for subgroup analyses, and neonates with more than one feeding type. Conclusions: Feeding MoM was not associated with an increased risk of neonatal SARS-CoV-2 infection among neonates who were born to mothers with perinatal infection. These data, along with reports showing a lack of active replicating SARS-CoV-2 virus in MoM, further support women with perinatal SARS-CoV-2 infection feeding MoM. Registration: PROSPERO ID CRD42021268576.
ISSN:2077-0383
2077-0383
DOI:10.3390/jcm14010280