I have scoliosis that like this => ( and a very arch back so when I lay down I have a enough room to rest my arm under my back. Also when I was little I fell out of a tree and since then if I seat a certain way my ribs locks and it feels like needles are poking in to my lungs. I've been watching a lot of I didn't know I was pregnant, so I felt the need to ask. I'm not by the way