Any form of smoking is not allowed during pregnancy, and this includes electronic cigarettes, which can cause harm to both the mother and the baby. It can affect the baby's growth and Pack ELFX Mega ELFBAR avec e liquides ELFLIQ 10 ml Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn Do you know that vaping or E cigarettes are hazardous during pregnancy as it can affect fetal development. If you are pregnant or trying to become pregnant, you should be aware about the Exposure to Thirdhand Smoke Harms the Health of Pregnant Women Thirdhand Smoke Resource Center