The precocious puberty stimulation test is used to check for what?

Written by Dong Xian Yan

Pediatrics

Updated on September 12, 2024

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The precocious puberty stimulation test, also known as the luteinizing hormone-releasing hormone stimulation test. The method of examination involves administering an intravenous injection of gonadotropin-releasing hormone, followed by taking blood samples before the injection, and at 30, 60, 90, and 120 minutes after the injection. Serum levels of luteinizing hormone and follicle-stimulating hormone are measured to assess their peak values. This can diagnose whether the gonadal axis has been activated and is a reliable method for diagnosing precocious puberty.

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Written by Quan Xiang Mei

Pediatrics

1min 18sec

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Manifestations of precocious puberty in an 11-year-old boy

If an 11-year-old boy exhibits precocious puberty, it typically manifests as increased testicular volume and thickening of the penis, along with the development of pubic and axillary hair. In more severe cases, there may also be the growth of facial hair, voice changes, and the appearance of an Adam's apple, among other signs of male sexual organ development. In cases of very advanced precocious puberty, such as full maturity, nocturnal emissions may also occur. If we consider that an 11-year-old boy is exhibiting early signs of puberty, we can take him to the hospital for bone age and gonadal ultrasound examinations. Based on the initial diagnosis, if sexual development is deemed premature and the symptoms are pronounced, further tests such as blood hormone levels can be conducted. With assistance from diagnostic aids like bone age, gonadal ultrasound, and hormone levels, a doctor can guide appropriate intervention treatments to prevent issues associated with precocious puberty, such as significantly shorter adult stature.

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Written by Quan Xiang Mei

Pediatrics

1min 3sec

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Premature breast pain has now stopped hurting, does that mean it's healed?

When girls develop breasts before the age of eight, they may experience pain at the breast bud nodules. Pain does not necessarily mean recovery; it is possible that as the breast bud enlarges, the pain will naturally disappear. Whether treatment is needed once precocious puberty occurs and whether it has reached a level of cure mainly depends on the assessment through pediatric bone age, gonadal ultrasound examinations, or a combination of brain pituitary MRI and blood hormone levels to analyze the severity of the condition. For mild cases, with appropriate medication, diet, and exercise guidance, children can reach a basic level of clinical cure. Severe cases require the control of the child's sexual development through the injection of gonadal hormones or hormone-releasing analogues. Psychological impacts due to early sexual development may also necessitate behavioral and psychological interventions.

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Written by Quan Xiang Mei

Pediatrics

45sec

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Can precocious puberty be inherited by children?

Precocious puberty may have a hereditary factor, but it is not very typical. This means that if the parents experienced early puberty or development, their children might also potentially display early signs of puberty or development, but it is not a certainty. Children with precocious puberty typically refer to those who undergo sexual development too early, which can affect their height or their sexual development. This usually impacts their adult height. If parents show signs of early puberty or development, we need to closely monitor the sexual development of their children, observing the development of the nipples in girls and the development of the testicles and penis in boys.

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Written by Quan Xiang Mei

Pediatrics

1min 1sec

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Where is precocious puberty manifested?

Precocious puberty is primarily characterized by the development of breasts in girls before the age of 8, which leads to a diagnosis of precocious puberty. In boys, an increase in testicular volume and thickening of the penis before the age of 9 or 9.5 years also constitutes a diagnosis of precocious puberty. Once children show signs of precocious puberty, it is crucial to promptly take them to a hospital for the following relevant examinations to determine whether the condition is affecting the child's physical and psychological health. 1. An examination of bone age to determine if it impacts the child's height; 2. An ultrasound of the gonads to verify the severity of sexual development; 3. Under the detailed examination of a doctor, observe whether it affects the child's psychology, thereby providing further reasonable treatment based on the actual manifestations of the child.

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Written by Tong Peng

Pediatrics

58sec

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Is thigh clamping in children a sign of precocious puberty?

Babies crossing their legs is not a sign of precocious puberty. There is a clinical sign in children called "leg crossing syndrome," primarily occurring in either sex, where children experience pleasure through the friction of the skin between their legs. This condition is often a form of masturbation, seeking self-comfort and stimulation to achieve a sense of relief. Possible causes include increased secretions due to poor local hygiene, leading to babies rubbing against each other, thus manifesting a sense of sexual satisfaction. Additionally, parasitic infections can cause itching in the perineal area, leading to symptoms of leg crossing syndrome. If parents notice this behavior, they should guide the child gradually and persuasively without scolding, while also maintaining cleanliness in the affected area and enhancing education about sexuality. Precocious puberty is mostly characterized by the development of breasts and other secondary sexual characteristics, so there is a difference between the two conditions.