Mermaid syndrome: A case report in Somalia.

Introduction: and Importance: Sirenomelia, which called sirenomelia sequences, is a very rare congenital malformation. It is characterized by complete or incomplete fused lower extremities, renal agenesis, oligohydramnios, absent urinary tract and external genitalia, single umbilical arteries, imperforate anus, etc.We are reporting a case of mermaid syndrome, a twin pregnancy in which one was healthy and the other was identified to have characteristic features of sirenomelia at the time of examination.