PMID: 696311Sep 1, 1978Paper

Relationship between haemoglobin and serum testosterone in normal children and adolescents and in boys with delayed puberty

Acta paediatrica Scandinavica
S KrabbeI Transbøl

Abstract

The concentrations of haemoglobin and of serum testosterone were measured in 215 normal children and adolescents aged 7--20 years, and in 8 boys with constitutional delayed puberty. From the age of 14 years onward haemoglobin and testosterone rose in normal boys and differed significantly from the stable levels observed in prepubertal children and pubertal girls. In the entire series of normal boys (n = 118, age 7--20 years) concentrations of haemoglobin and testosterone were found to be closely correlated (r = 0.73, p less than 0.001). These results provide further evidence for a major role of testosterone in the control of erythropoiesis. Therefore, this correlation suggests the use of serum testosterone determination for the proper selection of haemoglobin reference ranges in boys. The respective reference ranges of haemoglobin corresponding to testosterone levels at 0 and 30 nmol/l were 120.5--148.5 and 143.5--171.5 g/l (95% confidence limits). Boys with delayed puberty were found to have significantly reduced median values of haemoglobin and testosterone for their chronological age, and 6 of the 8 boys investigated were truly anaemic on this background. Nevertheless, their haemoglobin concentration did appear appropriate a...Continue Reading

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May 5, 2021·Experimental Physiology·Erica Mancera-SotoEdgar Cristancho-Mejía

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