Sorry! You must be logged in to read this post. Please sign up for your FREE MY-DSC account here. Login Tags:celiac diseaseCharacteristicsco-occuring conditionsDSC2UDSC2U.orgeducationfeaturesGeneral DS infolife expectancyMass Generalmedical guidelinesmosaic down syndromeschoolsiblingssleep apneatranslocation down syndrometrisomy 21