Researchers explore the association between severe neonatal morbidity and maternal smoking before or during pregnancy.
By Dr. Liji Thomas, MDReviewed by Benedette Cuffari, M.Sc.Aug 23 2024 A recent study published in the Journal of Epidemiology and Community Health explores the association between severe neonatal morbidity and maternal smoking before or during pregnancy.
SNM increases the risk for prolonged illness and neurodevelopmental issues in affected newborns that may persist into childhood and adulthood. Therefore, it is crucial to identify modifiable risk factors for SNM. About the study The current study included data from the 2016-2019 U.S. National Vital Statistics System. Birth certificate data of 12,150,535 women were used.
What did the study show? Mothers who smoked before or during pregnancy were more likely to give birth to babies with SNM. This increased risk persisted even if the mother smoked one or two cigarettes each day, which is considered very low intensity smoking. The risk of composite SNM was 27% higher among babies born to women who smoked before pregnancy. When stratified by trimester, smoking was associated with an approximately 31% increased risk of SNM during each trimester. For NICU admission, the risk was 24%, 32%, and 31% higher in the first, second, and third trimester, respectively, among babies of mothers who smoked.
Smoking Brain Cigarette Epidemiology Intensive Care Neonatal Intensive Care Newborn Pregnancy Public Health Sepsis
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