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Salivary testosterone concentrations in prepubertal and pubertal males: comparison with total and free plasma
T Ohzeki1, B Manella, C Gübelin-De Campo
1Department of Pediatrics, University of Zurich, Kinderspital, Switzerland.
Abstract:
Salivary testosterone (T) levels in male children and adolescents were measured and compared with plasma T. Salivary concentrations correlated well with plasma total T (r = 0.72) and even better with free plasma T (r = 0.89) in subjects with plasma T levels of pubertal or adult levels (greater than 1.0 nmol/l). In subjects with prepubertal or low plasma T (less than 1.0 nmol/l), there was neither a correlation with plasma total, nor with free T. In hCG tests (responder and nonresponder), salivary T reflected plasma levels faithfully. The results suggest that salivary T, which is suitable for repeated sampling, is a good marker of T secretion in pubertal males.