Expert introduction: What are the differences between men and women in the performance of precocious puberty

Clinical manifestations of central precocious puberty
1. The secondary sexual characteristics appear early and progress according to normal development procedures, and the symptoms develop at varying speeds.
Girls: Breast development dildo vibrator , height growth, pubic hair development, usually menarche 2 years after breast development begins.
Boys: The testicles and penis are enlarged, height increases suddenly, pubic hair develops, and voice changes and spermatorrhea usually appear 2 years after the testicles begin to increase.
2. There is evidence for gonadal development. According to B-ultrasound images, the boy's testicular volume is ≥4 ml.
3. During the development process, height growth rates accelerate, and mental development and physical development are unbalanced.
4. Gonadotropin increases to adolescent levels.
5. There may be advanced bone age, resulting in early closure of the epiphyses and premature cessation of growth, resulting in a shorter final height but no diagnostic specificity.
Those caused by intracranial lesions may have symptoms of intracranial hypertension. Congenital adrenal hyperplasia is caused by hypertension and water and electrolyte disorders.
Physical signs should mainly pay attention to secondary sexual characteristics, breast size, pubic hair, axillary hair, testicular size, and penis length. Pay attention to height growth rabbit vibrator , whether there is abnormal increase in head circumference (hydrocephalus), nervous system signs. Pay attention to the presence of ovaries when palpation of girls 'abdomen. Whether there is a tumor, a boy's unilateral testicular enlargement should be excluded from testicular tumors, and in men's precocious puberty should pay attention to adrenal cortex hyperplasia or tumors.
Clinical manifestations of peripheral precocious puberty
1. Secondary sexual characteristics appear early (defined age).
2. The development of sexual characteristics does not progress according to normal development procedures.
3. The size of the gonad is at the level of pre-puberty.
4. Gonadotropin levels are in pre-puberty.
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