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thyroid hormone levels for children

what are the normal thyroid hormone levels tsh,ft3,ft4 for children of the age of 2 years?if tsh and ft4 are in the normal levels and ft3 a little bit under the normal,what does this mean?
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734073 tn?1278896325
I'm surprised that your pediatric endo. would even test for freet3? Most just assume that it magically converts but will not double check ( must be against some oath they took at their t4 supported medical school) Ha!  My daughter was born without a thyroid gland in 2000. Does your child have a thyroid gland?
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what about the other hormones,ft3,ft4?and what happens if someone in the age of 2 has low ft3 and normal tsh and ft4.
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the second does !
"Children who have not yet reached puberty have TSH levels of between 0.6 to 5.5 uU/mL of blood serum"
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thank you 6hashi,but these pages didn't  answer my questions.
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check this out ;
http://en.wikipedia.org/wiki/Thyroid-stimulating_hormone#Diagnostic_use
http://www.ehow.com/facts_5553319_normal-range-tsh-level.html
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