Dr. Alka Mukherjee's document discusses yoga and meditation practices that can benefit pregnant women. It provides information on safe yoga poses like cat-cow, triangle pose, and butterfly pose that help flexibility, relieve back pain and stress, and prepare the body for delivery. The document also discusses pranayama breathing techniques and meditation that help reduce stress, anxiety, and promote relaxation during pregnancy. Regular yoga and meditation can enhance blood circulation, increase energy levels, and generate positive hormones during pregnancy.