What causes it?
Down syndrome is a genetic disorder in which, most often, a third copy of chromosome 21 is present in cells because of an abnormal cell division when the egg and sperm first meet.
Can it be prevented?
There is no way to prevent Down Syndrome. Typically, if you already have had a child with Down Syndrome their is a very high risk that the second child will also.
What are the symptoms and effects of the condition?
Down Syndrome may cause delayed development, speech delay in a child, lazy eye, difficulty thinking and understanding, bent little finger, congenital heart disease, displacement of the tongue, excess skin on the back of the neck, flaccid muscles, hearing loss, immune deficiency, low-set ears, mouth breathing, obesity, polycythemia, single line on palm, thickening of the skin of the palms and soles, and thyroid disease.
How can it be detected?
What are the treatment options?
The best way to treat Down Syndrome is with regular speech therapy, exercise, support group, special-education, and talking to a doctor.