Help me. How to make a child turn over? It's lying on its belly with i…

Help me. How to make a child turn over? It's lying on its belly with its bottom towards the baby. No exercises, conversations, massages or even light pressure on the abdomen help. It presses so hard that it is impossible to sit, lie down or stand. I always feel this discomfort and pain in this area where she lies. It presses into the right rib, and lying down even on the left is not possible. All the same, there is strong feeling of pain and discomfort in the right one. It doesn't want to change position at all. I don't know what to do anymore.