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According to the Height to Weight ratio for children, the average for a 12-13 year old girl at 58 to 62 inches tall should weigh 85 to 100 lbs. You are at 56 inches (4'8) which is 2 inches shorter, so your 81 lbs is about right, on the low side of the scale. So, you are growing normaly, so far!

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16y ago

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