Welcome
Jessmvee, and sorry you're having a tough time, most of us at one time or another can probably relate, I certainly can. I hate to be a broken record, but sharing a little of my story - I have also been overweight for the majority of my life, since childhood (around 7-8 years old). I have PCOS & Insulin Resistance (btw these are just a couple of the many conditions that can make it harder for you to lose weight) and February of last year I had a diabetes scare that sparked me into change, since then I've been more conscientious of my food intake (the foods themselves & the amount of them I consume) my diet isn't perfect, but it is heads and shoulders above what it was before. The commitment I made to myself was to be healthier, not smaller, realizing that if I ate better that would naturally follow eventually, hopefully sooner than later. Well to shorten this, I spent the first 3 months fighting to get out of the 290's, I had lost less than 10 lbs. total since embarking on my journey after 3 whole months of watching my food intake, occasional exercise lol, and changing many of the foods I ate. Now, nearly 17 months later, I am 82.2 lbs. down, my point is, stick to your guns, never give up on your dreams, and eventually you'll break through by doing what you're doing, or figure out "what is wrong" (or more like what might be wrong for you) and succeed.
You may very well have an underlying condition that is making weight loss more challenging for you. This community is definitely a great resource as it is filled with people from all walks of life who have been through nearly everything and someone may be able to help guide you in the right direction. Also mindset matters so much, I know it is difficult not to be discouraged but definitely look for the brighter side of things, even if the scale isn't budging you're definitely health-wise better off eating healthier/less processed foods than being carefree w/your meals. You can do this, if you believe you can, focus on being healthier, and let the weight loss follow, it will eventually.
Here is a calorie counter I found
http://www.caloriecontrol.org/calcul...lculator-women where you can add your age, height and weight and lifestyle (I said I was sedentary & recommend that to anyone who doesn't work out regularly) and it gives you an estimated calorie count to maintain your weight. From there you can do the math and figure out how to cut 500 calories a day from your maintenance diet to lose 1 lb a week, this isn't an exact science as we all burn calories at a different rate, but it can help. Also the foods we eat can help or hinder the process.
Also while most of us are just normal people and not necessarily trained in the field of nutrition, maybe it would help posting a normal day of eating and get some feedback/advice. From what I read it sounds like you're a pretty conscientious eater, but you never know what food may be potentially holding you back, give any plan (doctor approved of course
)you choose a real chance of at least a month and if what you're doing isn't working, swap out some foods. That is what eventually worked for me, I stopped w/my 100 calorie chocolate bars and switched to 100 calorie Vitamuffins for instance (they have fiber & protein the candy bars didn't have).
I wish you the absolute best on your journey, I look forward to seeing more posts from you, keep your head up, and keep moving forward.
Favorite quotes - "If you're going through H3ll, keep going..." - Winston Churchill
Hopeless...
it's so nice to hear stories and get a little encouragement. So many docs swear I'm cheating or lying because my situation seems impossible. It's a very trapped feeling. 
