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Puberty is considered delayed when the child has not begun puberty when two standard deviations or about 95% of children from similar backgrounds have. [7] [8] [9]In North American girls, puberty is considered delayed when breast development has not begun by age 13, when they have not started menstruating by age 15, [2] and when there is no increased growth rate. [8]
[1] [2] [3] Puberty blockers are used to delay puberty in children with precocious puberty. Since the 1990s, they are also used to delay the development of unwanted secondary sex characteristics in transgender children, [4] so as to allow transgender youth more time to explore their gender identity [5] under what became known as the "Dutch ...
The underlying cause is due to the defective migration of GNRH neurons from olfactory placode to hypothalamus, leading to congenital GNRH deficiency. This leads to olfactory problems such as anosmia, optic defects like color blindness, and results in hypothalmic deficiencies associated with low levels of LH, affecting sex hormone testosterone in males or estrogen and progesterone in females.
What causes precocious puberty? Scientists have still not pinned down a single reason for precocious puberty, and many factors can trigger it. The Endocrine Society says that genetics are the most ...
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.
Early puberty also correlates with increased sexual activity and a higher instance of teenage pregnancy, both of which can lead to depression and other psychosocial issues. [23] On the other hand, late-maturing males develop lower self-esteem and confidence and generally have lower popularity among peers, due to their less-developed physiques.
Research has showed that the average age of starting puberty continues to drop over time: One study published in 2020 shows that the average starting age of puberty for girls has decreased by ...
Constitutional delay of growth and puberty (CDGP) is a term describing a temporary delay in the skeletal growth and thus height of a child with no physical abnormalities causing the delay. [1] Short stature may be the result of a growth pattern inherited from a parent (familial) or occur for no apparent reason (idiopathic).