Pregnant women who are heavy drinkers risk damaging the unborn fetus.
酗酒的孕妇冒有伤害胎儿的危险。
At the end of the first trimester, the fetus is about three inches long.
在怀孕的第三个月末，胎儿差不多有三英寸长了。
Microscopic examination of a cell's chromosomes can reveal the sex of the fetus.
用显微镜检查细胞染色体可以查出胎儿的性别。
The lungs of a fetus secrete a liquid that mixes with its mother's amniotic fluid.
胎儿的肺部会分泌一种能与母亲的羊水混合的液体。
There have been no studies of the effects of a low carbohydrate diet on pregnancy, so its effect on the fetus, if any, is unknown.
目前还没有关于怀孕时低碳水化合物饮食影响的研究，因此如果它对胎儿有什么影响也是不知道的。
Studies of animals, for example, have shown that when a rat experiences stress during pregnancy, it can cause epigenetic changes in a fetus that lead to behavioral problems as the rodent grows up.
例如，对动物的研究表明，老鼠在怀孕期间经历压力会导致胎儿表观遗传发生变化，进而导致啮齿动物在成长过程中出现行为问题。
Also, PAHs may affect the fetus' DNA directly.
多环芳烃同样对胎儿的DNA产生直接影响。
FOOD and oxygen pass easily from mother to fetus.
食物和氧气很容易从妈妈身体传递给胎儿。
If the Y chromosome is detected, the fetus is male.
如果检测到Y染色体，则胎儿是个男性。
Your baby has left the embryo stage and is now a fetus.
婴儿现在已经脱离了胚胎阶段进入了胎儿期。
Mercury is a potent neurotoxin that can harm a developing fetus.
汞是一种很厉害的的神经毒素，可以伤害到发育中的胎儿。
The risk of maternal influenza to the fetus is the same throughout pregnancy.
在整个妊娠期，母亲流感对胎儿的危险是同样严重的。
It can also harm a developing fetus if a woman drinks to excess while pregnant.
如果怀孕的妇女过量饮酒会影响胎儿的发育。
It is also dangerous to pregnant women because it easily passes through to the fetus.
由于它能轻易传递给胎儿，所以对孕妇而言也很危险。
Mother-to-child infection: the trypanosome can cross the placenta and infect the fetus.
母婴感染：锥虫可穿过胎盘并感染胎儿。
Expectant mothers may not know that what they eat affects the tooth development of the fetus.
准妈妈也许不知道她们所吃的食物会影响到胎儿的牙齿发育。
Many imaging tests are not performed during pregnancy so as not to expose the fetus to radiation.
许多成像测试在怀孕期间不能执行，以免使胎儿暴露在辐射中。
Drinking can harm a developing fetus, putting a baby at risk for birth defects and mental problems.
饮酒会伤害腹中发育中的胎儿，可能会带来先天缺陷和精神问题。
They said the mother and members of her family had not had the health problems found in the fetus.
研究人员表示，这位母亲和她的家人都没患过这名胎儿身上发现的健康问题。
Most notably by the end of this week your baby will no longer be an embryo but will be considered a fetus.
这周末你的婴儿很明显已经不再是一个胚胎了，可以被看作胎儿了。
Many experts are worried that BPA causes an abnormal development of the fetus and complications in delivery.
许多专家都很担忧BPA会造成胎儿的畸形发育以及生产过程中的并发症。
This finding demonstrates that the fetus is sensitive to BPA in mice and likely also in humans, Taylor said.
这一结果证明了老鼠胚胎对BPA的敏感性，人类也可能如此，Taylor说。
Most notably, by the end of this week, your baby will no longer be an embryo, but will be considered a fetus.
这周末你的婴儿很明显已经不再是一个胚胎了，可以被看作胎儿了。
His explanation is suggestive of fetus in fetu(fetus within in a fetus), sometimes known as a "parasitic twin".
他的解释暗含了胎中胎的一些想法，也可以成为“寄生胎”。
And a male fetus that inherits a problem Dio3 variation from mom but a normal Dio3 from dad should be okay.
如果一个男性婴儿从母亲那遗传有问题的Dio3基因变体而从父亲那继承正常的Dio3基因本应该没有问题。
The ultrasound monitor is put in the patient’s line of sight, and she must also listen to a description of the fetus.
超声胎儿监护仪宜在孕妇的视线内,并且她也必须要听取有关胎儿的描述。
Could a pregnant woman be charged with child abuse if she smokes, or be denied chemotherapy if it might hurt the fetus?
如果一个孕妇吸烟，她会被控虐童吗？或者处于对胎儿的考虑，她可能无法得到化疗？
Alcohol can disturb the normal development of a fetus, leading to a lifetime of learning disabilities and social problems.
酒精会扰乱胎儿的正常发育，并引起他一生的学习障碍及各种社交问题。
Alcohol can disturb the normal development of a fetus, leading to a lifetime of learning disabilities and social problems.
酒精会扰乱胎儿的正常发育，并引起他一生的学习障碍及各种社交问题。
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