The sequence of puberty characteristics in boys

The main developmental characteristics of boys during puberty are testicular enlargement, change in scrotal skin color, change in voice, beard growth, and rapid growth in height and weight. Boys' puberty mainly starts between the ages of 12 and 14.

1. Increased testicular volume: When the testicular volume is greater than 3 ml, it is likely that puberty has begun. When the testicular volume has reached 6 ml, symptoms of spermatorrhea may appear. As time goes by, the volume of the testicle will gradually increase. This is also a common feature of puberty development in boys, and it is also the first manifestation.

2. Changes in scrotal skin color: The scrotal skin color will become darker, the penis will gradually grow longer and thicker, and pubic hair will grow on the penis, and the color of the hair will gradually become darker and thicker.

3. Changes in voice: As time goes by, the child's voice will gradually change significantly. The voice will become noticeably deeper and a Adam's apple will grow.

4. Growing a beard: Due to the obvious changes in hormone levels in the body, excessive secretion of male hormones may cause beard growth. This is also a common feature in boys. The whole process may take about 5 years.

5. Rapid growth in height and weight: With the appearance of secondary sexual characteristics, boys' height and weight will begin to grow rapidly in a very short period of time.