The transitional stage from childhood to adulthood is known as adolescent period and in Bangladesh like other developing countries, adolescents are most vulnerable group of people constituting 1/5th of the total population (BBS, 2015a). During this stage, they had to face lots of changes in their mind and body. The changes cannot be the same for all at the same time. However, it should be reminded that the changes are natural and very simple. They do not need to be worried!