Measurement of Testicular Volume: Its Application to Assessment of Maturation, and its use in Diagnosis of Hypogonadism

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Abstract
A simple but reliable method for the estimation of the testicular volume and its application to assessing the degree of maturation is described. The use of this method for the diagnosis of hypogonadism is discussed. The method was applied to 215 mentally subnormal males aged 7 to 30 years, and it was found that a pubertal spurt in testicular size occurred between 12 and 17 years. A mean adult size of 31.1 ml (range 12 to 54.5 ml.) was achieved.