Depends on stature: Per year 2000 cdc growth charts, the 50% for an average 12 year old male is 90 lbs (97% is 140 and 3rd% is 65 lbs). But there are many other factors to be considered like parental size, nutrition, ethnicity, etc.
Answered 7/18/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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