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  2. Prolactin - Wikipedia

    en.wikipedia.org/wiki/Prolactin

    Prolactin levels peak during REM sleep and in the early morning. Many mammals experience a seasonal cycle. [38] During pregnancy, high circulating concentrations of estrogen and progesterone increase prolactin levels by 10- to 20-fold. Estrogen and progesterone inhibit the stimulatory effects of prolactin on milk production.

  3. Lactational amenorrhea - Wikipedia

    en.wikipedia.org/wiki/Lactational_amenorrhea

    Mechanical detection of suckling increases prolactin levels in the body to increase milk synthesis. Excess prolactin may inhibit the menstrual cycle directly, by a suppressive effect on the ovary, or indirectly, by decreasing the release of GnRH. [2] Suckling is a pivotal factor in maintaining lactational amenorrhea postpartum.

  4. Hyperprolactinaemia - Wikipedia

    en.wikipedia.org/wiki/Hyperprolactinaemia

    Only during nipple stimulation will prolactin levels rise, allowing for milk production. [22] At 6 weeks post-birth (postpartum), estradiol concentrations decrease, and prolactin concentrations return to normal even during breastfeeding. Fluctuations in prolactin levels during menstrual cycles and menopause are inconclusive. [23]

  5. Endocrinology of reproduction - Wikipedia

    en.wikipedia.org/wiki/Endocrinology_of_reproduction

    Progesterone induces formation of tertiary side-branches in the mammary glands during puberty and during the luteal phase of the menstrual cycle upon which lobuloalveolar structures form under the influence of prolactin. Prolactin stimulates lactogenesis. [16] [17]

  6. Amenorrhea - Wikipedia

    en.wikipedia.org/wiki/Amenorrhea

    Prolactin also influences the menstrual cycle as it suppresses the release of LH and FSH from the pituitary. [9] Similarly, thyroid hormone also affects the menstrual cycle. [9] Low levels of thyroid hormone stimulate the release of TRH from the hypothalamus, which in turn increases both TSH and prolactin release. [9]

  7. This is what your body is actually doing during your ... - AOL

    www.aol.com/body-actually-doing-during-menstrual...

    No, your menstrual cycle isn't only one week. For premium support please call: 800-290-4726 more ways to reach us

  8. Breast development - Wikipedia

    en.wikipedia.org/wiki/Breast_development

    Estrogen and progesterone cause the secretion of high levels of prolactin from the anterior pituitary, [32] [33] which reach levels as high as 20 times greater than normal menstrual cycle levels. [31] IGF-1 and IGF-2 levels also increase dramatically during pregnancy, due to secretion of placental growth hormone (PGH). [34]

  9. Is Cabergoline Actually Good for Men's "Intimate" Health?

    www.aol.com/lifestyle/cabergoline-actually-good...

    In men, high levels of prolactin can result in a number of intimate problems, including: (ED) Reduced libido. Decreased fertility. Cabergoline is a dopamine agonist. It works to reduce the amount ...