这是因为它能引起流产或是严重先天缺陷，如耳聋和心脏问题。

This is because it can cause miscarriage or serious birth defects, such as deafness and heart problems.

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英国全国生育基金（National Childbirth Trust） 疾如闪电般发出警告，“症状可能导致早产或者流产，甚至是新生儿缺陷”。

Quick as a flash the National Childbirth Trust warned that "symptoms could lead to premature labour or a miscarriage, or even cause birth defects".

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很多使胚胎发生破坏或者丢失染色体而导致流产，但有一些则出现如唐氏综合征这样的状况！

Many embryos that have damaged or missing chromosomes miscarry, but others go on to produce conditions such as Down's syndrome.

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