The impact of maternal asthma on the fetal lung: Outcomes, mechanisms and interventions
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(Published version)
Date
2024
Authors
Robinson, J.L.
Gatford, K.L.
Clifton, V.L.
Morrison, J.L.
Stark, M.J.
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Journal article
Citation
Paediatric Respiratory Reviews, 2024; 51:38-45
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Joshua L. Robinson, Kathryn L. Gatford, Vicki L. Clifton, Janna L. Morrison, Michael J. Stark
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Abstract
Maternal asthma affects up to 17% of pregnancies and is associated with adverse infant, childhood, and adult respiratory outcomes, including increased risks of neonatal respiratory distress syndrome, childhood wheeze and asthma. In addition to genetics, these poor outcomes are likely due to the mediating influence of maternal asthma on the in-utero environment, altering fetal lung and immune development and predisposing the offspring to later lung disease. Maternal asthma may impair glucocorticoid signalling in the fetus, a process critical for lung maturation, and increase fetal exposure to proinflammatory cytokines. Therefore, interventions to control maternal asthma, increase glucocorticoid signalling in the fetal lung, or Vitamin A, C, and D supplementation to improve alveologenesis and surfactant production may be beneficial for later lung function. This review highlights potential mechanisms underlying maternal asthma and offspring respiratory morbidities and describes how pregnancy interventions can promote optimal fetal lung development in babies of asthmatic mothers.
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Available online 23 December 2023
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© 2023 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).