HealthDay News — Electronic cigarette use during pregnancy is associated with adverse birth outcomes, according to a study published online in the July issue of Obstetrics & Gynecology.

Annette K. Regan, PhD, MPH, from Texas A&M University in College Station, and colleagues used data from the 2016 to 2018 Pregnancy Risk Assessment Monitoring System to evaluate the association between e-cigarette use during the three months before and last three months of pregnancy as well as birth outcomes among 79,176 individuals.

The researchers found that in the 3 months before pregnancy, 2.7% of respondents reported e-cigarette use, while 1.1% used e-cigarettes during the last three months of pregnancy. There was no association observed between e-cigarette use before pregnancy and adverse birth outcomes. However, e-cigarette use during pregnancy was associated with a higher prevalence of low birth weight vs nonuse (8.1 vs 6.1%; adjusted prevalence ratio [aPR], 1.33). E-cigarette use was associated with a higher prevalence of low birth weight (aPR, 1.88) and preterm birth (aPR, 1.69) among respondents who did not also smoke combustible cigarettes during pregnancy. These associations were strongest for daily e-cigarette users.

“These findings show that e-cigarettes should not be considered a safe alternative to regular cigarettes and that there are potentially very real health risks from vaping when it comes to pregnancy,” Regan said in a statement.

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