There are more than 50 features of Down syndrome. But not every
person with Down syndrome has all the same features or health
problems. Some features and problems are common. Body shape and
size - Short stature (height). A child often grows slowly and is
shorter than average as an adult. - Weak muscles (Reference
hypotonia Opens New Window) throughout the body. Weak belly
muscles also make the stomach stick out. - A short, wide neck.
The neck may have excess fat and skin. - Short, stocky arms and
legs. Some children also have a wide space between the big toe
and second toe. Face shape and features - Slanted eyes. Tissue
may also build up on the colored part of the eye (iris). But the
child's vision is not affected by this buildup. - A nasal bridge
that looks pushed in. The nasal bridge is the flat area between
the nose and eyes. - Small ears. And they may be set low on the
head. - Irregularly shaped mouth and tongue. The child's tongue
may partly stick out. The roof of the mouth (palate) may be
narrow and hig