Heartburn and breathlessness are pregnancy symptoms usually mentioned in passing as an afterthought.

事后想来，胃部灼热和呼吸困难是怀孕过程中经常被提到的症状。

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Heartburn and breathlessness are pregnancy symptoms usually mentioned in passing, as an afterthought.

事后想来，胃部灼热和呼吸困难是怀孕过程中经常被提到的症状。

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In other cases, these classic pregnancy symptoms may be something else - such as an illness or the start of your period.

在其他情况下，这些典型的妊娠症状也可能由其他原因引起——例如疾病，或者由于经期就要开始了。

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I've been trying to find out just what it is about pregnancy that causes all these symptoms to disappear and whether this quirk of nature could really be turned into the reality of a treatment.

BBC: Pregnancy - the 'miracle' cure?

Eight continued to have problems into their second pregnancy and for seven of these, their symptoms worsened after the second birth.

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Levels of a substance called pregnancy zone protein had been unusually high, even before their symptoms appeared, in some of those who went on to develop Alzheimer's disease.

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