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  2. 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 ...

  3. Late-onset hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Late-onset_hypogonadism

    As of 2016, the International Society for the Study of the Aging Male defines late-onset hypogonadism as a series of symptoms in older adults related to testosterone deficiency that combines features of both primary and secondary hypogonadism; the European Male Aging Study (a prospective study of ~3000 men) [10] defined the condition by the presence of at least three sexual symptoms (e.g ...

  4. Hormone replacement therapy - Wikipedia

    en.wikipedia.org/wiki/Hormone_replacement_therapy

    They are mostly caused by low levels of female sex hormones (e.g. estrogens) that occur during menopause. [1] [2] Estrogens and progestogens are the main hormone drugs used in HRT. Progesterone is the main female sex hormone that occurs naturally and is also manufactured into a drug that is used in menopausal hormone therapy. [1]

  5. Androgen deficiency - Wikipedia

    en.wikipedia.org/wiki/Androgen_deficiency

    Diagnosis of androgenic deficiency in males is based on symptoms together with at least two measurements of testosterone done first thing in the morning after a period of not eating. [1] In those without symptoms, testing is not generally recommended. [1] Androgen deficiency is not usually checked for diagnosis in healthy women. [18]

  6. Progesterone - Wikipedia

    en.wikipedia.org/wiki/Progesterone

    Progesterone levels are relatively low during the preovulatory phase of the menstrual cycle, rise after ovulation, and are elevated during the luteal phase, as shown in the diagram above. Progesterone levels tend to be less than 2 ng/mL prior to ovulation and greater than 5 ng/mL after ovulation.

  7. Hypogonadotropic hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Hypogonadotropic_hypogonadism

    This is because KISS1 is the mediator for the feedback loop in the HPG axis allowing low levels of sex steroid to stimulate GnRH secretion from the hypothalamus. [ 10 ] Congenital hypogonadotropic hypogonadism, CHH, is a genetically, as well as clinically, heterogenous disorder stemming from over 25 causal genes identified to date, [ 11 ] with ...

  8. Pharmacokinetics of progesterone - Wikipedia

    en.wikipedia.org/wiki/Pharmacokinetics_of...

    Progesterone is used as part of hormone replacement therapy in people who have low progesterone levels, and for other reasons. For purposes of comparison with normal physiological circumstances, luteal phase levels of progesterone are 4 to 30 ng/mL, while follicular phase levels of progesterone are 0.02 to 0.9 ng/mL, menopausal levels are 0.03 to 0.3 ng/mL, and levels of progesterone in men ...

  9. Progestogen (medication) - Wikipedia

    en.wikipedia.org/wiki/Progestogen_(medication)

    [92] [122] However, oral progesterone achieves very low progesterone levels and has relatively weak progestogenic effects, which might be responsible for the absence of increase in VTE risk. [122] Parenteral progesterone, such as vaginal or injectable progesterone, which can achieve luteal-phase levels of progesterone and associated ...