Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Dwarfism
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Dwarfism: Abnormally short stature. Some forms are hereditary. The Little People of America (LPA) define dwarfism as an adult height of 148 cm (4 feet 10 inches) or less. Also known as nanism. Dwarfism is now more correctly called short stature.
See also specific types, such as Achondroplasia, Hypochondroplasia, Pituitary dwarfism, Seckel syndrome, Thanatophoric dwarfism.