Puberty is marked by physical changes such as growth of pubic hair, breast development in girls & testicular development và penile enlargement in boys. Boys start puberty within a wide range of ages, but most boys start puberty between the ages of 9 & 14. Girls typically develop signs of puberty between the ages of 7 or 8 & 13.

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Precocious puberty in girls is when the following happens before the age of 8:

Progressive sầu breast development with menstruation beginning two khổng lồ three years afterAccelerated growth

Precocious puberty in boys is when the following happens before the age of 9:

Penile enlargementTesticular developmentIncreased muscle developmentVoice changeGrowth of toàn thân hairAccelerated growth

There are two types of precocious puberty:

Central precocious puberty (CPP). Central precocious puberty is when the normal process of puberty starts too early. Most of the time there is no underlying medical cause. Less commonly, CPP may be caused by an abnormal pituitary glvà or a problem with the hypothalamus.Peripheral precocious puberty (PPP). Peripheral precocious puberty occurs when the sex hooc môn glands (adrenal glands in boys and girls, ovaries in girls & testes in boys) begin functioning earlier than normal. This type of precocious puberty is less common. Reasons the adrenals, ovaries và testes may begin khổng lồ function earlier than normal include:An adrenal tumor that secretes estroren (hormones that promote the development of female characteristics) or testosterone (a steroid hooc môn that promotes the development of male characteristics)A genetic abnormality called congenital adrenal hyperplasia (CAH) that causes the adrenal glands khổng lồ make too much androgen (hormones that promote the development of male characteristics)Exposure lớn medicines, creams, ointments or supplements that contain estrogen, androgen or testosteroneOvarian cysts or ovarian tumors in girlsTumors in the testicles in boys

There are two common forms of precocious puberty that bởi vì not require any treatment:

Premature thelarche. Premature thelarđậy causes a small amount of breast development in girls without any other changes of puberty. The breast development does not progress and eventually goes away. This often occurs in toddler girls.Premature adrenarche. Premature adrenarbịt occurs when the normal secretion of androgens from the adrenal glands begins unusually early. This leads to small amounts of pubic hair & adult body toàn thân odor in boys & girls, which increase very slowly. No other signs of puberty are usually present. These changes progress so slowly that the children bởi vì not need treatment.

Diagnosis of Precocious Puberty

If your child is developing faster than normal, it may be due to precocious puberty. Doctors at Riley at IU Health can perform the following exams and tests khổng lồ make a diagnosis:

Physical exam. The doctor can compare your child"s growth và pubertal development with the growth và pubertal development of children of the same age and gender.

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Bone age kiểm tra. Your child’s doctor may perform a bone age thử nghiệm, which is an X-ray of the left hand và wrist. This thử nghiệm can show how far along in puberty your child is & may show if early puberty will affect your child’s height as an adult.


Treatment of precocious puberty depends on if your child is diagnosed with central precocious puberty or peripheral precocious puberty:

Central precocious puberty. Some forms of CPPhường. bởi not require any treatment, particularly if it is slowly progressing & your child is cthất bại to the normal age. If treatment for CPP is required, the goal is lớn temporarily stop production of luteinizing hormone (LH) và follicle stimulating hormone (FSH) by the pituitary gl&. A gonadotropin-releasing hormone (GnRH) agonist is used khổng lồ treat CPP và suppress pituitary gonadal function. A GnRH agonist is typically given as an injection every month or every three months or as an implant that slowly releases the medicine over the course of one year. This medicine slows the signs of puberty và delays the onmix of menstruation in girls. Sometimes, this treatment may allow a child khổng lồ be taller than they would have sầu been without treatment.Peripheral precocious puberty. Treatment of PPPhường varies depending on the cause. If the cause is a tumor that is producing estroren or testosterone, treatment may include removal of the tumor. The doctor may also prescribe medicines that suppress or stop estrogene or testosterone production.

Children going through precocious puberty may experience áp lực và anxiety because their bodies are developing quicker than their minds. They may be mistaken for a much older age, và this can be confusing or embarrassing.

If your child has been diagnosed with precocious puberty, treatment can slow down or delay puberty, allowing your child to grow to lớn a more normal height.

Key Points to lớn Remember

Precocious puberty is defined as the onphối of puberty before the age of 7 or 8 in girls and age 9 in boys. An abnormal pituitary glvà or hypothalamus may cause precocious puberty. This is referred to lớn as central precocious puberty.Peripheral precocious puberty occurs when sex hooc môn glands start working earlier than they should.Central precocious puberty is treated with a medicine that slows production of luteinizing hormone (LH) and follicle stimulating hooc môn (FSH) by the pituitary gland.Peripheral precocious puberty is treated with medicines that suppress or stop the production of hormones or surgery to lớn remove tumors that produce estrogene or testosterone.