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  2. What Is Low Testosterone & What Causes It? - AOL

    www.aol.com/lifestyle/low-testosterone-causes...

    If you do have low testosterone, your healthcare provider will test your LH and FSH levels to determine if the root of your low T is in the testicles or the brain (i.e. if you have primary or ...

  3. Follicle-stimulating hormone - Wikipedia

    en.wikipedia.org/wiki/Follicle-stimulating_hormone

    Eventually, the FSH level becomes so high that downregulation of FSH receptors occurs and by postmenopause any remaining small secondary follicles no longer have FSH nor LH receptors. [14] When the follicle matures and reaches 8–10 mm in diameter it starts to secrete significant amounts of estradiol.

  4. Luteinizing hormone - Wikipedia

    en.wikipedia.org/wiki/Luteinizing_hormone

    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 ]

  5. Hypergonadotropic hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Hypergonadotropic_hypogonadism

    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]

  6. Kallmann syndrome - Wikipedia

    en.wikipedia.org/wiki/Kallmann_syndrome

    Treatment for both males and females with KS/CHH normally consists of one of three options which can be used for both hormone replacement therapy and/or fertility treatment. [3] [4] Sex hormone replacement (testosterone or oestrogen & progesterone). Gonadotropin therapy (medications that replicate the activity of FSH and LH). GnRH pulsatile ...

  7. Hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Hypogonadism

    Men with low serum testosterone levels should have other hormones checked, particularly luteinizing hormone to help determine why their testosterone levels are low and help choose the most appropriate treatment (most notably, testosterone is usually not appropriate for secondary or tertiary forms of male hypogonadism, in which the LH levels are ...

  8. Gonadotropin - Wikipedia

    en.wikipedia.org/wiki/Gonadotropin

    Failure or loss of the gonads usually results in elevated levels of LH and FSH in the blood. [10] [11] LH insensitivity, which results in Leydig cell hypoplasia in males, and FSH insensitivity, are conditions of insensitivity to LH and FSH, respectively, caused by loss-of-function mutations in their respective

  9. List of human hormones - Wikipedia

    en.wikipedia.org/wiki/List_of_human_hormones

    5-DHT or DHT is a male reproductive hormone that targets the prostate gland, bulbourethral gland, seminal vesicles, penis and scrotum and promotes growth/mitosis/cell maturation and differentiation. Testosterone is converted to 5-DHT by 5alpha-reductase, usually with in the target tissues of 5-DHT because of the need for high concentrations of ...

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