All my son seems to want to do is climb all over my stomach, dig his elbows into my chest(which is extremely sore), and…

All my son seems to want to do is climb all over my stomach, dig his elbows into my chest(which is extremely sore), and kick his feet at me. it's driving me nuts! I still am feeling nauseous so him climbing over me and such isn't helping with that. He's almost 2 so he doesn't quite underhand what's going on but I need to find away to break this.