6q terminal deletion syndrome is marked by a characteristic facial dysmorphism, short neck and psychomotor retardation, generally associated with a range of non-specific malformations.

A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to \"short stature\" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).