Achondroplasia is a genetic disorder with an autosomal dominant pattern of inheritance whose primary feature is dwarfism. It is the most common cause of dwarfism and affects about 1 in 27,500 people. In those with the condition, the arms and legs are short, while the torso is typically of normal length. Those affected have an average adult height of 131 centimetres for males and 123 centimetres (4 ft) for females. Other features can include an enlarged head with prominent forehead and underdevelopment of the midface. Complications can include sleep apnea or recurrent ear infections. Achondroplasia includes the extremely rare short-limb skeletal dysplasia with severe combined immunodeficiency.

Achondroplasia बौनापन एक प्रमुख अनुवांशिक विकार है जो बौनेपन का आम कारण है Achondroplastic dwarfs का कद छोटा होता है, एक वयस्क की ऊंचाई १३१ सेमी होती है पुरुषों के लिए और 123 सेमी महिलाओं के लिए। व्याप्ति लगभग 1 में 25,000 है।