Precocious puberty

Female precocious puberty, that is, the development of puberty is significantly advanced. Since the start time of pubertal development in each normal child varies greatly, it is difficult to determine the absolute limit of the normal and precocious puberty when puberty begins. Generally, girls are considered to be 8 Any one or more secondary sexual characteristics such as breast enlargement, pubic hair growth, axillary hair growth, or menarche begin before the age of 10, that is, female precocious puberty, and some scholars advocate that children's puberty and sexual development precede local normal children Precocious puberty is the average age at development of 2 or more than 2.5 standard deviations, and female precocious puberty accounts for about 0.2 ‰ of all females.