Table 2. Phenotypic features of Down syndrome

Epicanthic fold

Clinodactyly

Increased ulnar loops

Fissured tongue

Small mouth

Macroglossia

Umbilical hernia

Edema of hand

Single palmar crease (simian crease)

Kennedy crease

Single flexion crease

Brachicepahly

Loose fold of skin around neck

Upward slanting of forehead

Short and broad neck

Increased sandal gap

Increased nuchal fold thickness