Key clinical point: Quitting smoking during pregnancy reduces risk of sudden unexpected infant death (SUID).
Major finding: Maternal prenatal smoking was associated with 2.44 greater odds of SUID but quitting cut odds by 23%.
Study details: The retrospective observational study analyzed 19,127 SUID cases in the CDC Birth Cohort Linked Birth/Infant Death Data Set for 2007-2011.
Disclosures: The research was funded by the National Institutes of Health, Microsoft, and the Aaron Matthew Sudden Infant Death Syndrome Research Guild. One author has testified as a paid expert in a SUID case. No other authors reported conflicts of interest.
Anderson TM et al. Pediatrics. 2019 March 11. doi: 10.1542/peds.2018-3325.