Caudal regression syndrome

What is Caudal regression syndrome?

Caudal regression sequence is a rare congenital malformation of the lower spinal segments associated with aplasia or hypoplasia of the sacrum and lumbar spine.

Other condition names

  • Caudal dysplasia
  • Sacral agenesis syndrome
  • Sacral regression syndrome

Inheritance type

Multigenic/multifactorial, Not applicable


  • Worldwide: Unknown

Age of Onset

  • Antenatal
  • Neonatal
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