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  2. Puberty - Wikipedia

    en.wikipedia.org/wiki/Puberty

    The onset of puberty is associated with high GnRH pulsing, which precedes the rise in sex hormones, LH and FSH. [17] Exogenous GnRH pulses cause the onset of puberty. [18] Brain tumors which increase GnRH output may also lead to premature puberty. [19] The cause of the GnRH rise is unknown. Leptin might be the cause of the GnRH rise.

  3. Gonadotropin-releasing hormone - Wikipedia

    en.wikipedia.org/wiki/Gonadotropin-releasing_hormone

    Gonadotropin-releasing hormone (GnRH) is a releasing hormone responsible for the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior pituitary. GnRH is a tropic peptide hormone synthesized and released from GnRH neurons within the hypothalamus .

  4. Hypothalamic–pituitary–gonadal axis - Wikipedia

    en.wikipedia.org/wiki/Hypothalamic–pituitary...

    These hormone levels also control the uterine (menstrual) cycle causing the proliferation phase in preparation for ovulation, the secretory phase after ovulation, and menstruation when conception does not occur. The activation of the HPG axis in both males and females during puberty also causes individuals to acquire secondary sex characteristics.

  5. Why Is Puberty Starting Earlier? New Research Points To ... - AOL

    www.aol.com/lifestyle/why-puberty-starting...

    The researchers discovered that musk ambrette may be able to latch onto a receptor in the brain linked to puberty, causing it to release a hormone called GnRH. GnRH impacts how sexual organs mature.

  6. Early puberty may be linked to a common chemical used in ...

    www.aol.com/news/early-puberty-may-linked-common...

    Starting puberty significantly early — younger than age 8 in girls, 9 in boys — may have health effects lasting into adulthood, including higher risks of breast cancer, diabetes and heart disease.

  7. Delayed puberty - Wikipedia

    en.wikipedia.org/wiki/Delayed_puberty

    Delayed puberty is when a person lacks or has incomplete development of specific sexual characteristics past the usual age of onset of puberty. [1] The person may have no physical or hormonal signs that puberty has begun. In the United States, girls are considered to have delayed puberty if they lack breast development by age 13 or have not ...

  8. Follicle-stimulating hormone - Wikipedia

    en.wikipedia.org/wiki/Follicle-stimulating_hormone

    Follicle-stimulating hormone (FSH) is a gonadotropin, a glycoprotein polypeptide hormone. [1] FSH is synthesized and secreted by the gonadotropic cells of the anterior pituitary gland [ 2 ] and regulates the development, growth, pubertal maturation , and reproductive processes of the body.

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

    www.aol.com/low-testosterone-causes-125700734.html

    During puberty, the hormone is responsible for deepening your voice, helping you grow body hair, increasing the size of your muscles and bones, and regulating your drive.