Boys mature comparatively slower than girls. Puberty usually begins at the age of 9. Some of the boys will tend to mature faster than others. And for some others, the physical changes would be more gradual when compared to others. Below mentioned are the stages faced by all the boys in their puberty.
The stage of puberty can be broadly classified into 5 stages:
Stage-1- This is the pre-puberty stage where his testes are small and the penis is like a child. There will be no pubic hair.
Stage-2- This stage is between 9 and 14 years of age. In this stage, the testicles will grow in size and volume. The penis might have a slight enlargement. The scrotum will become thinner, reddened and larger. The pubic hair will become quite visible and it would be slightly dark, straight and long.
Stage- 3- This stage is between 10 and 14 years of age. The testicles will continue to grow in size and volume. The penis will become longer. The scrotum will continue to enlarge. The pubic hair will become curlier and darker.
Stage-4- This stage is between 11 years and 15 years of age. The penis not only continues to grow but also becomes thicker. Pubic hair will become thicker and coarse. Scrotum will grow larger and also tend to darken.
Stage-5- The testicles will be of the size of an adult. Penis and scrotum to be of adult form and size. Pubic hair will be of normal like an adult in volume and distribution. This stage the boys can begin shaving. It is advisable to use top mens double edge razor for classic shaving.
Not only the body changes physically, but in puberty, they face emotional changes too. There will be emotional and psychological effects like aggression, unexplained mood swings, depression and low self-esteem.