In cities like Delhi, where air quality often dips to alarming levels, pregnant women face an added concern - the effects of polluted air on their health and their baby’s growth. Dr. Yogita Parashar, Consultant Obstetrician and Gynaecologist at Cloudnine Hospital, Dwarka, explains how pollutants such as nitrogen dioxide, sulphur dioxide, and particulate matter can reduce oxygen supply, worsen respiratory issues, and even contribute to complications such as growth restriction or preterm birth. She also shares simple, science-backed tips to protect yourself and your baby during high-pollution days - from wearing N95 masks to eating antioxidant-rich fruits and practising breathing exercises.