<unk>  is usually fatal. Many pregnancies with a<unk>  fetus spontaneously miscarry. One-third to one-half of infants are stillborn, with all but a few dying in the neonatal period. In cases of monoamniotic twins where one is affected, the twin with<unk>  is protected from Potter sequence (particularly pulmonary hypoplasia and abnormal facies) by the normal twin's production of amniotic fluid.
Sirenomelia
Rhizomelia
Mesomelia
Dolichostenomelia
Phocomelia
Meromelia
Loxoscelism
Adiposogenital dystrophy