weight, PCOS, and bc

Hi ladies I'm hoping someone can help, I'm desperate. I've just come back from the gp who didn't take my concerns seriously, I was diagnosed with pcos 8yrs ago, I was meant to have ultrasounds every 12/18mths to keep an eye on them, I've had one (the only reason was because I was hospitalised with pain and they wanted to rule it out or I wouldn't have gotten that!) I've seen gyno once for something else who then tried to push bc, I refused because the possible side effects are worse than now. I barely eat and don't fill my daily calories, I'm on my feet 10/12 hours daily but I cannot loose weight no matter what I do, my stomach looks 7+ mths pregnant but the next day it'll go down drastically, this has been happening for over a yr and no on will listen! I suffer with severe depression and it's very bad atm, my body isn't helping, I feel like a beached whale and I can't do anything to stop it, I'm in constant pain with my stomach and back but have been told to live with that! can anyone relate or have any advice on what I can do? I'm in the UK so I can't change doctors? Tia x I haven't had it checked for 10yrs when I was diagnosed with M.E. she was gonna do bloods today but there was an emergency so my visit was cut short without getting to the problem:(