Thirdhand Smoke Resource Center Protecting Californians 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, Vaping in pregnancy Essential Parent Vaping before, during and after pregnancy: leaflets and infographics ASH HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below.