Definition of Achondrogenesis:

Achondrogenesis is a rare type of growth hormone deficiency in which there is a defect in the development of bone and cartilage.

Causes, incidence, and risk factors:

Achondrogenesis is inherited, which means it is passed down through families.

Some types are known to be recessive, meaning both parents carry the defective gene and the chance for a subsequent child to be affected is about 25%.