What do you suggest if my child has cornelia de lange syndrome is it common for this kids to put their hands in their mouth?

Foranswers/reference: Putting hands in the mouth is a common feature of children everywhere. Not necessarily related to any specific genetic disorder. Attached there is a link to a site that offers general information and also provides other links to support sites for parents etc. Good luck! http://ghr.nlm.nih.gov/condition/cornelia-de-lange-syndrome