Microcephalic osteodysplastic primordial dwarfism, type 1 (MOPD 1) Individuals with MOPD 1 often have an underdeveloped brain, which leads to seizures, apnea, and intellectual developmental disorder. They often die in early childhood.

How tall is a primordial dwarf?

After birth, affected individuals continue to grow at a very slow rate. The final adult height of people with this condition ranges from 20 inches to 40 inches.

What is Type 2 primordial dwarfism?

Microcephalic osteodysplastic primordial dwarfism type 2 (MOPD2) is a condition characterized by short stature (dwarfism), skeletal abnormalities and an unusually small head size (microcephaly).