Effect of human growth hormone therapy on penile and testicular size in boys with isolated growth hormone deficiency: first year of treatment - PubMed

The response of genital and gonadal growth during the first year of treatment with human growth hormone (hGH) was studied in 20 boys with isolated growth hormone deficiency (IGHD) (11 of hereditary origin and 9 sporadic cases). Prior to hGH treatment, 13 of the 15 prepubertal boys had a penis length...