LETHAL SKELETAL DYSPLASIA
Achondrogenesis (type I and II).
Thanatophoric dysplasia.
Short rib-polydactyly syndromes (types I, II and III).
Fibrochondrogenesis.
Atelosteogenesis.
Homozygous achondroplasia.
Osteogenesis imperfecta type II.
Hypophosphatasia.
Jeune syndrome
(may not be lethal).
Chondrodysplasia punctata
(rhizomelic type).
Campomelic dysplasia.