Stage of fertilization and fertilization
Is the first stage of human development, where fertilization of the egg in the uterus of the female sperm sperm of the man, and at the moment of enrichment is determined genes and sex of the child, If the sperm gave a chromosome (Y) will be a male, but if given a chromosome (X) It will be female. The birth then comes after nine months of pregnancy, equivalent to 38-42 weeks.
Early childhood
The first stage of human development, also known as breastfeeding, is usually the first year of human life, where many physical features of the child are determined, infants rely on others to meet most of their needs, and learn the confidence and safety of those who meet their needs. To develop the child properly both physically and emotionally.
Middle childhood
This stage is defined as the stage that moves from infancy to middle childhood, including children between the first and second to the third years, where the child begins to try walking and mastering many new skills, such as: talk, problem solving, skills In addition, the National Child Care Network notes that one of the most important features of a child is independence, followed by pre-school, including children between the fourth and fifth years, Mo focused on learning, school readiness, and to expand their interest in the exercise and discipline.
Late Childhood
Children between the ages of five and 13 years of age enter the school-age development phase. This age includes a wide range of skills and abilities, and the years of puberty or sexual development begin during the last years of this phase.
Adolescence and adulthood
Adolescence includes the final stage before the age of reaching children between the ages of 13 and 18, which makes this stage particularly difficult for both parents and children, especially as adolescents begin to make their own decisions and are independent of their parents. Necessary and sensitive in human growth.
Young adulthood
In this period of human life achievement of physical maturity, full intellectual, is believed that the age of puberty is the beginning of age 20 or 21 years, followed by middle age that begins in about 40 years, followed by aging in 60 years. Despite the physical changes that occur at every stage, adults, adults, and adults continue to learn and grow emotionally and mentally throughout their lives.
Aging
The aging stage is defined as the final stage of the life span of the human being. The age at which the onset of aging does not correspond to the point of view of biology, demography, or sociology. However, the goals of the general statistics determined the age of 60 to 65 And above, and some societies consider that old age begins in the mid-40s.