May Be Caused by

 Common

Chondrodysplasia punctata

Kniest dysplasia

Mesomelic dysplasia

Metatropic dysplasia

Normal variant

 Uncommon

Atelosteogenesis

Desbuquois dysplasia

Dyssegmental dysplasia

Fibrochondrogenesis

Humerospinal dysostosis

Malsegmentation of spine

Micrognathic dwarfism

Otospondylomegaepiphyseal dysplasia

Short rib-polydactyly syndrome type 1

Spondyloepimetaphyseal dysplasia Iraqi type

Trisomy 13

Weissenbacher-Zweymüller phenotype