Human beings have always known how to avoid getting pregnant to some extent.

人类一直都知道，如何避免怀孕。

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See a doctor as soon as possible after you find out you're pregnant to begin getting prenatal care (medical care during pregnancy).

在你发现自己怀孕后尽快去医生那儿接受产前护理。

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The body absorbs iron more efficiently during pregnancy; therefore it is important to consume more iron while you are pregnant to ensure that you and your baby are getting enough oxygen.

怀孕时机体对铁可以更有效的吸收；因此，怀孕时吸收更多的铁对于提供给宝宝足够的氧气有重要作用。

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However,the Office of Dietary Supplements of the National Institutes of Health notes that pregnant women may want to avoid it.

VOA: special.2009.05.19

You remember, thalidomide is the drug which was actually really most used as sleeping aid that when pregnant women took were shown to produce deformities, children who were born without limbs for example.

你应该知道这种药品,实际上它是用来辅助睡眠的,但是，如果孕妇吃了这种药,就可能造成胎儿畸形，可能生出来的婴儿是没有四肢的。

普林斯顿公开课 - 人性课程节选

It's bad enough to say that a lot of the girls get pregnant at a younger age than opposed to here.

与这里情况相反，许多女孩在很年轻时就做了妈妈，这太糟糕了。

波多黎各的美女 - SpeakingMax英语口语达人

Separated from his wife, who was too heavily pregnant to go with him, Darwin had nursed Annie devotedly.

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The foals that result from keeping the mares pregnant to produce the urine are often a disposable byproduct.

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Sanofi advises women with epilepsy who may become pregnant to speak to their doctors to seek the most appropriate treatment.

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