What is it ?
Down syndrome- (DS) is the most common cause of mental retardation and malformation in a new born.
In most cases of Down syndrome a child gets an extra chromosome 21- for a total of 46
Babies with Down syndrome tend to be overly quiet less responsive with weak floppy muscles.
Flat appearing face
.smaller than normal low-set nose
.flat bridge of the of the nose
.upward slanting eyes
Who is affected?
Although no one knows for sure why DS happens and there's no way to prevent the chromosome error that cause it.