I fixed my plateau pretty quick, after i realized what the issue was. If you see a trainer (and work out) several times every week and only eat 1200 calories per day, then I'd say you don't eat ENOUGH. Your body might think that you're starving. See my bio page here on FatSecret for a possible solution. I have been right where you seem to be, and I fixed it.
I hope it helps. Stalling is no fun.
"Keep your friends close, your enemies closer, and the cookies at the other end of the table."
"Eating less, moving more, not eating stupid s**t = losing weight."
"Do. Or do not. There is no trying."
- Master Yoda.
I started my weight loss journey on October 4th, 2010 - and this is what I have accomplished so far: