Children develop the reproductive system at the latest, the reproductive system is not fully developed until after puberty, and there are differences in the performance of boys and girls.
1. Boys: 11 to 13 years of age is marked by the enlargement of the testicles. Male sexual development is characterized by the emergence of spermatozoa, and the development of secondary sexual characteristics in the order of testicles, penis, scrotum, pubic hair, axillary hair, beard, laryngeal nodes, and voice change.
2. Girls: Breast enlargement is the earliest in girls at the age of 9 to 11, followed by the emergence of secondary sexual characteristics in the order of pubic hair and axillary hair growth, and the development of the female reproductive system is characterized by the onset of the first menstruation.
In daily life, we need to pay special attention to the growth and development of children, if the development of secondary sexual characteristics occurs too early, we need to be alert to the possibility of precocious puberty, we should go to the endocrinology department of the regular hospital in a timely manner, and under the guidance of a professional doctor to choose the appropriate treatment.