What Is an NT Scan for Down Syndrome? An NT scan ... at the back of the neck that holds fluid. Babies with certain genetic conditions have more fluid than normal, and the nuchal fold is thicker.

Children with down syndrome often have a flattened face, miserable muscle tone, a protruding neck and a small head or short hands. They face difficulty coming into the normal stream of life and ...

A century after Down syndrome was first described, scientists discovered that the root cause of this disorder is a condition called trisomy 21. What strides in research have been made since then?