What is Cri Du Chat Syndrome?

1. Cri du Chat Syndrome (cry of cat in french) is a genetic disorder caused by the loss or misplacement of genetic material from the fifth chromosome.
   
   
2. It was first identified in 1963 by Professor Lejeune, who also identified the genetic cause of Downs Syndrome.
   
3. This cry, along with some of the other notable features, is so characteristic of the syndrome that a doctor can usually identify the condition before a chromosome analysis has taken place.
   
   
   this description from www.cridchat.u-net.com