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Trisomy 18 (Edwards Syndrome) (cont.)

Trisomy 18 Prognosis

Due to the presence of several life-threatening medical problems, many infants with trisomy 18 die within their first month. Five percent to 10 percent of children with this condition live past their first year.

Medically reviewed by Margaret Walsh, MD; American Board of Pediatrics


Chen, Harold, and Bruce Buehler. "Trisomy 18." 11 Aug. 2011. <>.

Genetic and Rare Diseases Information Center (GARD). "Trisomy 18." NIH Office of Rare Diseases Research. <>.

Genetics Home Reference. "Trisomy 18." U.S. National Library of Medicine. 30 Jan. 2012. <>.

"What Is Trisomy 18?" Trisomy 18 Foundation. 2010. <>.

Medically Reviewed by a Doctor on 10/28/2014

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