<unk>  is the most common form of dwarfism; it accounts for about 70% of all cases of dwarfism.<unk>  falls into the category of “disproportionate dwarfism”. It is linked to a mutation in the fibroblast growth factor receptor-3. More than 250,000 people in the world are diagnosed with<unk> .<unk>  diagnosis occurs somewhere between one in every 10,000 and one in every 30,000 live births. Some symptoms of<unk>  are short stature, a long and narrow trunk, shortening of the proximal segments of limbs, large head, mid-face hypoplasia, and joint hyperextension, among others.<unk>  is defined by central nervous system defects as well as the prior physical symptoms. Average height for an adult man or woman diagnosed with<unk>  is about 120 centimeters (47.2 inches), although technically a maximum of 148 centimeters (58.2 inches) is also considered achondroplastic. Achondroplastic people typically have a long trunk and smaller upper legs and upper arms. Those are of normal intelligence and able to lead independent and productive lives.
Achondroplasia in children
Dysostosis
Hip dysplasia
Multiple epiphyseal dysplasia
Cemento-osseous dysplasia
Child bone fracture
Nager acrofacial dysostosis
Spondylo-meta-epiphyseal dysplasia