label: Abnormal gonadotropin-releasing hormone concentration
label_lc: abnormal gonadotropin-releasing hormone concentration
description: "A deviation from the normal circulating concentration of the normal gonadotropin-releasing hormone (GnRH). Intermittent GnRH secretion from the hypothalamus acts upon its receptor in the anterior pituitary to regulate the production and release of the gonadotropins, follicle-stimulating hormone (FSH) and luteinizing hormone (LH)."