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Pakistan Journal of Biological Sciences
  Year: 2010 | Volume: 13 | Issue: 17 | Page No.: 862-865
DOI: 10.3923/pjbs.2010.862.865
The Children Reference Range of Thyroid Hormones in Northern Iran
A.R. Mansourian, A.R. Ahmadi, A. Saifi and S. Bakhshandehnosrat

Abstract:
Hypothyroidism is associated with mental and growth abnormality in children. The aim of this study was to determine the reference range of thyroid stimulating hormone (TSH). Thyroxin (T4) and triodothyronine (T3) of children in Northern Iran. The sample population for this study consists of subjects of 4 age groups up to 21 years. The subjects were selected randomly from people referred to Danesh Medical Diagnostic Laboratory in Gorgan Northern Iran. Thyroid hormone level were investigated with Radio immunoassay. The mean concentration for T4, T3, TSH for the sample population of 4 groups were as follow (113.5, 107.4, 102.9, 99.2 nmol L-1), (1.9, 1.7, 1.9, 1.6 nmol L-1) and (2.1, 3.5, 2.9, 2.7 mIu L-1). The mean value of T3, TSH were higher for females but the mean value of T4 was slightly higher in males. The findings of this investigation indicated that there is an inverse age correlation in particular for T4 in all age groups. On the bases of the results from this study, we conclude that reference range, in all age groups and lower, upper limits of our reference range are not universally similar; therefore determination of reference range in each region is a critical need for clinical practice.
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How to cite this article:

A.R. Mansourian, A.R. Ahmadi, A. Saifi and S. Bakhshandehnosrat, 2010. The Children Reference Range of Thyroid Hormones in Northern Iran. Pakistan Journal of Biological Sciences, 13: 862-865.

DOI: 10.3923/pjbs.2010.862.865

URL: https://scialert.net/abstract/?doi=pjbs.2010.862.865

 
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