Distinguishing Characteristics:
Distinguishing Characteristics Developmental delays Unusually small eyes Cleft lip and/or palate Undescended testes in males Extra fingers and toes
Incidence/Prevalence:
Incidence/Prevalence 1 in 10,000 still and live births Difficult to estimate because of pregnancies terminated after prenatal diagnosis Chances increase with age
Diagnosis:
Diagnosis Blood sample Physical examination Amniocentesis
Etiology:
Etiology Chromosome 13 appears three times instead of two
Resources for Families:
Resources for Families Support Groups Books Websites
Sources:
Sources http://www.trisomy.org/resources/helpful-links/ http://www.lpch.org/DiseaseHealthInfo/HealthLibrary/genetics/trisomy.html http://www.ascensionhealth.org/index.php?option=com_content&view=article&id=225&Itemid=172 http://www.rarediseases.org/rare-disease-information/rare-diseases/byID/218/viewAbstract