I cant get comfortable, im having pain in my upper stomach, kinda all around, i keep getting this stomach sick feeling like nauseous, i already threw up, i feel very weak and tired, im breathing heavily, idk whats going on but when I lay down it gets extremely worse, im having extreme pressure in my lower pelvic area, what should I do? I'm having lower extreme back pain, plus my legs are very sore as well i swear it feels like my whole body is having this burning sensation all over.......should I go to er or no??? I'm 33 weeks and a day.