anyone ever have a dexa scan done?

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I am getting a dexa scan wednesday morning, and am very excited to find out my true and accurate body fat percentage...because after looking at different women my height and at different weights...i have learned that I need to stop focusing on weight and focus on my body fat percentage. I am also curious to know what kind of body frame I have...when I measure my wrist in inches..I am at the high end of small framed..but my fingers and thumb gap and cannot touch when I wrap them around my wrist :/..would they be able to tell me what kind of body frame I have? and how small i can expect to get? thanks :)