Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center R.J. Reynolds Launches SENSA: Nicotine Free Disposable Vapes, But Is I Nicotine products in any form, whether from cigarettes, vaping or chewing tobacco, pass into a mother's bloodstream and through the placenta to the growing baby. Quitting nicotine is hard for many people, Quitting nicotine while pregnant: Answers to 5 frequently asked questions Is vaping safer than smoking when you're pregnant? Experts weigh in BabyCenter Is Vaping Safe During Pregnancy? Clinic One