[Release of LH and FSH following administration of an LHRH analog in patients with with congenital adrenal hyperplasia].

D-Ser(TBU)6-EA10-LH-RH, an analogue of LH-RH with prolonged and increased effect upon the release of LH and FSH, induces in normal male subjects a secretory response of LH and FSH, which is qualitatively different from that seen in normal females. Female patients with increased plasma-concentration of testosterone due to congenital adrenal hyperplasia or adrenal neoplasm present upon the LH-RH-analogue with a secretory response of LH and FSH which is similar to that observed in normal female subjects. It is concluded that elevated plasma-adrogens fail to induce a masculine pattern of gonadotropin-secretion in patients with a genetically female determination of the hypothalamo-pituitary-gonadal system.