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Luteinizing hormone (LH, also known as luteinising hormone, [1] lutropin and sometimes lutrophin [2]) is a hormone produced by gonadotropic cells in the anterior pituitary gland. The production of LH is regulated by gonadotropin-releasing hormone (GnRH) from the hypothalamus. [ 3 ]
During the initial phase of luteinizing hormone-releasing hormone (LHRH) agonist therapy in individuals assigned male at birth, there is a notable phenomenon known as the "flare." This occurs when testosterone levels temporarily surge by approximately 50% within the first 1 to 2 weeks of therapy.
FSH in men is responsible to stimulate sperm production and LH is responsible for the stimulation of testosterone; with the inhibition of GnRH, FSH, and LH, physical signs that show in men include reduced sex drive and infertility, these symptoms suggests the onset of hyperprolactinaemia. [45]
Testosterone replacement therapy (TRT), or testosterone therapy, is a form of hormone replacement therapy for men. This treatment uses synthetic testosterone to increase circulating testosterone ...
Hypergonadotropic hypogonadism (HH), also known as primary or peripheral/gonadal hypogonadism or primary gonadal failure, is a condition which is characterized by hypogonadism which is due to an impaired response of the gonads to the gonadotropins, follicle-stimulating hormone (FSH) and luteinizing hormone (LH), and in turn a lack of sex steroid production. [1]
LHRH activates the synthesis of LH (Luteinizing hormone) within the pituitary gland. LH induces testosterone synthesis within the testicles. [10] There are two different medicines, LHRH agonists and antagonists, which both lower the amount of testosterone made by the testicles. They work by inhibiting the formation of LH in the pituitary gland.
A gonadotropin-releasing hormone agonist (GnRH agonist) is a type of medication which affects gonadotropins and sex hormones. [1] They are used for a variety of indications including in fertility medicine and to lower sex hormone levels in the treatment of hormone-sensitive cancers such as prostate cancer and breast cancer, certain gynecological disorders like heavy periods and endometriosis ...
GnRH modulators affect the secretion of the gonadotropins, luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which in turn affects the gonads, influencing their function and hence fertility as well as the production of sex steroids, including that of estradiol and progesterone in women and of testosterone in men.