Stupid scales?

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Ok... the scale I have been using is 2lbs different than the dr's office and the new scale I bought, but I can't see gaining 2 lbs back..... or it is the stupid scale?

Bought a new scale that is supposed to tell fat % and other stuff...... says I'm 7% higher than wii fit tells me and every other website when they measure by weight, height and age! BUT the new scale does say I am the weight the dr's office scale says. Maybe it was water weight the 2lb difference? Ugh

What gives? Hate the scales, but feel better and clothes hanging off me so I know I'm ok, just annoyed! Anyone else have these issues with the scale?