Heavy marijuana use during pregnancy linked to premature birth, early infant death Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn The Real Risks of Vaping While Pregnant Healthwatch: Babies Exposed To Secondhand Smoke In The Womb Could Have Lung Function Issue Smoking, vaping & pregnancy: in pictures Raising Children Network Tobacco Control Chronic Disease Prevention & Health Promotion Division Electronic Cigarettes