Adolescence

Adolescence is one of the stages in human life that is often referred to as the period of puberty is the transition from children to adulthood. At this stage the teen will experience a physical, emotional and social change as a feature in puberty. And from the various characteristics of puberty, menarche is a fundamental difference between male puberty and female puberty. Menarche is the first time that menstruation is actually the culmination of a series of changes that occur in a teenage girl who is in adulthood and as a sign that he was able to conceive. The age of teenage girls while experiencing menarche varies widely, ie between the ages of 10-16 years, but on average at 12.5 years of age. Statistics show that the age of menarche is influenced by heredity, nutritional status and general health.

Optimal health of a person is strongly influenced by the nutrients derived from the food they consume. In general, the purpose of eating according to the science of health is to obtain energy that is useful for growth, replace damaged body cells, regulate the body's metabolism, and prevent and increase the body's resistance to disease. Nutrients in the diet should be received by the body regularly in order of quality and sufficient quantity, in order to achieve optimal health. Nutrients from food consumed by a person will affect its growth. Malnutrition or malnutrition in infancy and children especially at the age of less than five years can be more severe. because physical growth and intelligence will be disrupted. in the next stage will affect the development. Development is defined as the progress of the function or physiological capacity of the body or organ.