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There is early development of secondary sex characters and gametogenesis also starts earlier. Precocious puberty is of two types: true precocious puberty and pseudoprecocious puberty. In a minority of children with precocious puberty, the early development is triggered by a disease such as a tumor or injury of the brain. [1]
There has been a trend for years of children reaching puberty at earlier ages, and the reason why has largely mystified doctors. Now, new research is suggesting a possible culprit—and it shows ...
Precocious puberty on the rise. In the mid-19th century, girls had their first periods — which typically come about two years after they begin to show signs of breasts or pubic hair — at age ...
Precocious puberty is when signs of sexual maturity occur earlier than age 8 in a girl and age 9 in a boy. (Photo: Getty Images) (Getty Images/iStockphoto)
[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 ...
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]
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.
The disorder Central Precocious Puberty (CPP) is also known as Progressive Precocious Gonadarche or GnRH-dependent precocious puberty, and it occurs when a child's body initiates puberty earlier than what is normally observed. Individuals with CPP will often experience an early growth spurt because their bones are maturing faster than usual.