Generally speaking, for this type of non-genetic Down's, the rate at which mothers will give birth to another Down's-affected child in a future birth is one in 10O, higher than for women in general.
一般而言，這種非遺傳性的唐氏症，母親再生下唐氏兒的機率約為百分之一左右，較一般婦女為高。