Hypogonadotropic Hypogonadism 23 with or Without Anosmia, also known as fertile eunuch syndrome, is related to hypogonadotropic hypogonadism 2 with or without anosmia and pseudovaginal perineoscrotal hypospadias. An important gene associated with Hypogonadotropic Hypogonadism 23 with or Without Anosmia is LHB (Luteinizing Hormone Subunit Beta), and among its related pathways/superpathways are Signal Transduction and Class A/1 (Rhodopsin-like receptors). Affiliated tissues include pituitary and uterus, and related phenotypes are azoospermia and male hypogonadism