Determined to lose weight! Recently diagnosed subclinical hypothyroidism.

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Hey guys! I'm not new to MFP but I am new to posting. I'm a 24 year old female from Scotland.

I have been actively trying to lose weight since July. I got a personal trainer and changed my eating habits completely. I have always been a small eater but somehow still overweight at 12st. Despite changing my diet, going to the gym and lifting/cardio 5-6 days a week and also hiring a nutritionist, I have not lost 1lb of weight. I persevered but last week I lost all motivation and was ready to give up. Long story short - my nutritionist and PT convinced me to get my blood checked and turns out I have subclinical hypothyroidism which might be making it hard for me to lose weight and I've been given Levothyroxine. I'm looking for some new friends on here to keep up my motivation and if anyone else has thyroid issues I'd be excited to hear what happens from here! :)