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Pulsatile Gonadotropin Output and Response to Luteinizing Hormone Releasing Hormone (LRH) in Primary Amenorrhea

From the Department or Obstetrics and Gynecology. Division of Reproductive Endocrinology at The Johns Hopkins University School of Medicine, Baltimore, Maryland

Abstract

The pulsatile gonadotropin output and response to luteinizing hormone releasing hormone (LRH) administration was evaluated in 23 patients with primary amenorrhea. Pulsatile LH output and associated FSH pulses were readily observed in patients with hypergonadolropism. Responses in patients with congenital adrenal hyperplasia varied with the adequacy of the prior therapeutic management, which in turn apparently determined the maturational status of the individual. A patient with Kallmann's syndrome had both FSH and LH pulsatile activity. Patients thought to have simple delayed puberty had normal baseline gonadotropin values, and rcguiar LH pulsations, but no correlation of FSH with LH pulsatile activity. Correlated analysis of LRH response and pulsatile gonadotropin activity may allow differentiation of individuals showing a normal progression of maturation from those with maturational dysfunction.