article_snippet: The condition causes multiple congenital abnormalities which result in severe physical and mental impairment.
article_snippet: Features of the condition include, low birth weight, heart defects, facial defects, severe learning difficulties, problems controlling breathing, deafness, hernias, polycystic kidneys and abnormal hands and feet. '
article_snippet: The condition affects the heart, brain, spinal cord, eyes and muscles and causes the sufferer numerous physical abnormalities as well as severe intellectual disabilities.
highlights_snippet: Causes  congenital defects which lead to physical and mental impairment .
  