Answer: Hello dear. Firstly the weight of the growing baby and uterus also puts pressure on the blood vessels and nerves in the pelvis and back. Posture changes. This may result in back pain or strain. Secondly the two sciatic nerves in your body run from the lower back to the feet. When an enlarged uterus puts pressure on the nerves, you can experience pain, numbness, or a tingling sensation in the buttocks, hips, and thighs. Another possible cause of hip pain during the second trimester is round ligament pain. Few tips for relief in back pain are Practice good posture. As your baby grows, your center of gravity shifts forward, Get the right gear. Wear low-heeled — not flat — shoes with good arch support, Lift properly, Sleep on your side, Try heat, cold or massage, Include physical activity in your daily routine Hope this helps.
Answer: hi dear lower back pain in advance pregnancy is very or common.But continuous stomach pain not usual. If your pelvic pain continuous and intensity also increases then talk to you doctor. For back pain you can do two Exercises to get some relief 1. back stretching n 2. pelvic tilts 10 mins for 2 times a day.