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

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

    What causes early puberty? ... found that the average age that girls had their first periods decreased from 12.5 years old in 1950 to 1969 to 11.9 years old in 2000 to 2005.

  3. Precocious puberty - Wikipedia

    en.wikipedia.org/wiki/Precocious_puberty

    African-American girls are especially prone to early puberty. [18] Though boys face fewer problems from early puberty than girls do, early puberty is not always positive for boys. Early sexual maturation in boys can be accompanied by increased aggressiveness due to the surge of pubertal hormones. [57]

  4. With puberty starting earlier than ever, doctors urge greater ...

    www.aol.com/news/puberty-starting-earlier-ever...

    Boys, who typically begin puberty between 9 and 14, are also starting puberty earlier than in the past, but precocious puberty is much less common for young boys than girls. When a boy starts ...

  5. Development of the human body - Wikipedia

    en.wikipedia.org/wiki/Development_of_the_human_body

    [20] [21] Puberty which starts earlier than usual is known as precocious puberty, and puberty which starts later than usual is known as delayed puberty. Notable among the morphologic changes in size, shape, composition, and functioning of the pubertal body, is the development of secondary sex characteristics , the "filling in" of the child's ...

  6. Puberty - Wikipedia

    en.wikipedia.org/wiki/Puberty

    [9] [10] [11] Puberty that starts earlier than usual is known as precocious puberty, and puberty which starts later than usual is known as delayed puberty. Notable among the morphologic changes in size, shape, composition, and functioning of the pubertal body, is the development of secondary sex characteristics, the "filling in" of the child's ...

  7. 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.

  8. Familial male-limited precocious puberty - Wikipedia

    en.wikipedia.org/wiki/Familial_male-limited...

    Familial male-limited precocious puberty, often abbreviated as FMPP, also known as familial sexual precocity or gonadotropin-independent testotoxicosis, [1] is a form of gonadotropin-independent precocious puberty in which boys experience early onset and progression of puberty. [2] Signs of puberty can develop as early as an age of 1 year.

  9. Mini-puberty - Wikipedia

    en.wikipedia.org/wiki/Mini-puberty

    Mini-puberty is a transient hormonal activation of the hypothalamic-pituitary-gonadal (HPG) axis that occurs in infants shortly after birth. This period is characterized by a surge in the secretion of gonadotropins (LH and FSH) and sex steroids (testosterone in males and estradiol in females), similar to but less intense than the hormonal changes that occur in puberty during adolescence.