当谈到为一名孕妇的营养补充剂，什么不包括在制定的特别的营养补充剂中和什么要包括都一样的重要。
When it comes to dietary supplements for a pregnant woman, what is not included in the formulation of particular dietary supplements is as important as what is included in dietary supplements.
当这些孕妇分娩时，她们的助产士随机进行这两种不同的分娩程序。
When these women came to term, their midwives followed one of two sets of instructions, chosen at random and given to them just before each birth.
他们甚至也不知道这些孩子们的父亲是否当着孕妇吸烟，或者当孩子降生后，当他们的大脑还处于发育期时，双亲中是否有人吸烟。
They also didn't know which fathers smoked while the children were in the womb, or if either parent smoked after the babies were born, when their brains would still have been developing.
在怀孕后期，胎儿推挤胸廓，导致孕妇肺活量减少，这样当她感染流感后，就面临着呼吸并发症的风险。
Late in the pregnancy, the fetus pushes up against the thoracic cage and decreases a woman's lung capacity, putting her at risk for respiratory complications if she contracts flu.
值得注意的是研究人员发现当怀孕妇女使用止痛剂超过2周会有重大差异出现，而在怀孕的第4 - 6个月使用止痛剂造成的冲击最大。
It is worth noting the researchers found a significant difference when women had used painkillers for two weeks or more and that the impact was greatest when taking them during their second trimester.
如胎儿在5个月时，对声音就有明显的反应，当遇到突然大的声响，孕妇就会感到胎动明显增多。
If embryo in 5 months time, has the obvious response to the sound, when meets suddenly the big sound, the pregnant woman will feel that the fetal movement will increase obviously.
这些孕妇大多是在其第二及第三期，当流感并发症的风险被认为是最高的。
Most of those pregnant women were in their second or third trimesters, when the risk of flu complications is believed to be highest.
而现在，医生怀疑当孕妇感染这种病毒时，腹中胎儿可能会受到永久性损伤，这一猜测使寨卡病毒成了人们的噩梦。
Now, propelling the disease into the realm of nightmares, doctors suspect that when pregnant women catch it, their babies may be permanently damaged.
当假阳性率为5%时，单项母体血清PAPP-A、单项孕妇年龄、母体血清PAPP-A联合孕妇年龄及丈夫年龄筛查唐氏综合征胎儿的灵敏度分别为60%、50%、80%。
Maternal PAPP-A, maternal PAPP-A combined with maternal age and paternal age, and maternal age would respectively detect 60%, 80% and 50% of Down's syndrome fetuses with a false positive rate of 5%.
当这位孕妇的心如此猛烈地跳动时，她需要做深呼吸。
The pregnant woman needed to breathe deeply when her heart was beating with such fierceness.
当这位孕妇的心如此猛烈地跳动时，她需要做深呼吸。
The pregnant woman needed to breathe deeply when her heart was beating with such fierceness.
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