Survival in trisomy 13 and trisomy 18 cases ascertained from population based registers: Table 1

Abstract excerpt

A lthough long term survivors are well documented, infants with the autosomal trisomies 18 (Edwards syndrome) or 13 (Patau syndrome) usually die in the first few days or weeks of life. Accurate estimates of life expectancy are few, particularly in the case of trisomy 13. There have been six population surveys of survival in trisomy 18, comprising 430 unselected cases.1–6 In contrast there have been only two such...

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