Is osteogenesis imperfecta a form of dwarfism?

Yes . In it's more severe stated there is retardation of growth therefore dwarfism would be seen.
Not true dwarfism. Osteogenesis imperfecta is a genetic disorder in which a person has a mutation in his dna that causes him to have defective connective tissues and/or smaller amounts of connective tissue. His bones are weakened and brittle, so they break more easily. In the severe forms, the bones break so often, from infancy, so that one ends up small. One's shortness is due to multiple fractures.

Related Questions

Is osteogenesis imperfecta a type of the disease dwafism?

No. Osteogenesis imperfecta deals with fragile bones and increase risk of fractures easily. Now with these fractures children's stature can be shorter but it is not a form frust of dwarfism. Various types exist and will manifest as fractures immediate at birth versus those that can occur later in infancy. Read more...