It Hurts To Breath In My Back And Stomach It

It hurts to breath in my back and stomach it started with back pain yesterday from sitting in an uncomfortable chair for 3h 1st the hospital because I'm recovering from the flu but now it hurts to breath like cramping and sharp pains no bleeding I've took an children's tylonal and I'm laying down I'm 11 weeks pregnant (but haven't done first aultersound that's tomorrow