This video explores how harmful substances in the air — including particulate matter and ground-level ozone — can damage the placenta, impair fetal growth, and increase risks like preterm birth, stillbirth, and preeclampsia. Viewers will learn how pollutants cause oxidative stress and inflammation in the body, how different stages of pregnancy are affected, and most importantly, what steps pregnant individuals can take to protect themselves and their babies. Featuring real-world studies and practical advice, this video is an essential resource for anyone interested in maternal and fetal health.