At 30 weeks pregnant, your baby is growing steadily and gaining weight as you move through the third trimester. You may notice common changes such as tiredness, backache, heartburn, frequent urination, and stronger baby movements. Learn about your baby’s development, expected growth, common pregnancy symptoms, and helpful tips for staying comfortable during this stage. Get simple, useful information about what to expect at 30 weeks pregnant and how to prepare for the final weeks before your baby arrives.