Prenatal Period                                            Infancy (birth 1-2 years old )
Prenatal development has a three-stage process.The first            The development of infancy is when the baby begins to walk
two weeks after conception are known as the germinal stage, the     and talk. They communicate with their parents using the sounds
third through eighth weeks are known as the embryonic period, and   "ma-ma" and "da-da". And also by crying if they feel hungry.
the time from the ninth week until birth is known as the fetal      They can usually speak 3 to 4 sentences. They can also learn things
period. And having a healthy pregnancy is one of the best ways to   around them. As babies grow, their determination to master
promote a healthy birth. Getting early and regular prenatal care    movement, balance, and fine- and gross-motor skills remain
improves the chances of a healthy pregnancy.                        strong. Rolling and crawling happen as babies develop skills using
                                                                    large muscle groups. Grasping and picking things up with the
                                                                    fingers are signs of small muscle growth.
           Early Childhood (3-5 years old )                             Middle and Late Childhood (6-12 years old )
      The development of Early childhood, their body gradually             The development of Middle and Late Childhood, their
changes. They want to be like their parents and continue to expand    physical development such as growth and body changes. Children
their vocabulary and pronunciation. They speak very well so that      grow more slowly and their muscles become bigger and stronger.
their parents understand what they are saying. For example, if        And they like to participate in school activities and like to make
they want to play they automatically tell their parents. They can     friends and they already know a lot of things around them.
also learn many things such as writing, coloring and playing with
toys. They also want to have a friend. They can interact with other
children their age.
             Adolescence (13-18 years old )                                  Early Adulthood (19-29 years old )
     The age of 13-18 years old is where puberty occurs, body            At the age of 19-39 years old their physical development is
changes and voice changes. They take more care of themselves and    complete and they finished school and got a job and emotional
worry a lot about their health or physical appearance and at this
                                                                    maturity continues to develop and usually learn to accept
age their emotional and mental health is affected especially when
                                                                    responsibility for actions and here get married.
they have problems with their family. And the more careful they
are with their school supplies or household items, the more they
value themselves at this age.
         Middle Adulthood (30-60 years old )                                       Late Adulthood (61 years and above)
                                                                              The Physical Development in Late Adulthood
        At the age of 30-60 the physical changes begin to occur first
                                                                        The aging process often results in a loss of memory, deteriorated
as the hair begins to thin and gray and the wrinkles appear and
                                                                        intellectual function, decreased mobility, and higher rates of
also their hearing and vision decrease and their muscles lose tone.
                                                                        disease.
At this age the time to retire from their job and stay at home to
rest.