Caudal regression syndrome is an anal-rectal congenital disorder. It is also known as caudal dysplasia or sacral syndrome. It impacts the normal formation of the lower (caudal) half of the body. It ...

Mermaid syndrome, or sirenomelia, is a set of genetic abnormalities that cause a baby to be born with fused limbs, which may resemble a mermaid’s tail. The condition is very rare, with only 300 ...