hi i have had bad lower back pain for about three months and i look six months pregnant my stomach is so big none of my clothes fit ive gone from a size12 up to a 16 - 18 within 8 weeks , when i eat i have awful wind i am very active always on the go , i dont eat a get deal as my appetite isnt to good right now i know i need to go to the doctors because i dont feel myself and its getting me down i am only 37 but feel so much older especially with the back pain and stomach pain can anyone give me some advice please