Reports

Changing Sensitivity of the Pubertal Gonadal Hypothalamic Feedback Mechanism in Man

Science  21 Nov 1969:
Vol. 166, Issue 3908, pp. 1012-1013
DOI: 10.1126/science.166.3908.1012

Abstract

Clomiphene citrate in doses which stimulate gonadotropin production in the adult suppresses urinary follicle stimulating hormone (FSH) excretion and plasma testosterone concentration in prepubertal children. Such results indicate that feedback between gonad and hypothalamus is operative and highly sensitive in prepubertal humans. Puberty in man, as in the rat, is accompanied by a decrease in the sensitivity of the feedback mechanism.

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