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The American Psychological Association

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Biopsychosocial
What biopsychosocial means?
The American Psychological Association 2009 defines biopsychosocial as “the systematic integration of the biological, psychological and social approaches of the study of mental health and specific mental disorders” (p.48). Santrock, John W. (2015) refers the human lifespan as the primary base of the human growth process that starts with the reproduction of cells. The reproduction will include the physical development of the body, brain development and internal organs that are developing during the pregnancy, birth, early, middle, and late childhood, adolescence, early, middle, and late adulthood until the end of life. Additionally, the environments where individuals grow culture and …show more content…

Prenatal development
First, we must look at the prenatal development. The pregnancy development is one of the processes that can determine children’s psychological and physical conditions. The first trimester of conception to four weeks the “zygote” begins to develop the spinal cord, nervous system, gastrointestinal system, hearts and lungs. By eight weeks the zygote is then referred to as the embryo. At this time within the embryo the face is forming with eyes, ears, mouth, and tooth buds; the brain is forming as well as the arms and legs and the heartbeat can be heard. Twelve weeks after the conception the embryo is now called a fetus and is about three inches long, and weighs one ounce. Normally, the fetus will have arms, legs, fingers, and toes movements. The fetus can smile, suck, and swallow and sex can be noticeable (Santrock, 2015).
The second trimester is about sixteen weeks (the middle of the three months) the heartbeat is strong, the skin is thin, and finger nails and toe nails are forming. During the twenty weeks of pregnancy the fetus is about twelve inches long and weighs approximately one pound. In these weeks the fetus’s heartbeat is audible with a stethoscope. In this time the hair, eyelashes, and eyebrows are present. By the end of the second trimester the fetus is twenty four weeks from the

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