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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 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]
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 ...
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.
Two of the most significant differences between puberty in females and puberty in males are the age at which it begins, and the major sex steroids involved, the androgens and the estrogens. Although there is a wide range of normal ages, females typically begin the process of puberty around age 10½; males at ages 11½—12.
Another study, which was published in 2024, 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.
Typical effects of virilization in children are pubic hair, accelerated growth and bone maturation, increased muscle strength, acne, and adult body odor. In males, virilization may signal precocious puberty, while congenital adrenal hyperplasia and androgen producing tumors (usually) of the gonads or adrenals are occasional causes in both sexes ...
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]