Tobacco affects all. However, pregnant women are at a greater risk when exposed to smoke of any kind Second Hand Smoke (SHS) especially. According to reports, it directly impacts the baby's Light smoking' before pregnancy can cause major health problems How Secondhand Smoke Affects Children and Pregnant Women Workplace Secondhand Smoke Exposure During Pregnancy: Who is protected? NIOSH Science Bulletin CDC Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy Second hand smoke