随着胎儿的成长，母体的血液循环加重。
With the growth of fetal and maternal blood circulation to increase.
研究还证实，在怀孕的时候吃一些海鲜，可以促进胎儿的成长发育。
Studies have confirmed that consuming seafood's during pregnancy increases the development and growth of an unborn child.
孕妇需要特别注意避免使用邻苯二甲酸二丁酯，因为它已经被证明会损害到男性胎儿的成长。
Pregnant women should be especially careful to avoid the use of dibutyl phthalate because it has been shown to harm a developing male fetus.
当她们暴露于污染的空气之中，污染物便会进入她们的血液并再透过胎盘及脐带进入胎儿的血液循环系统中，严重影响胎儿的成长及发育。
When exposed to ambient air pollution, pollutants will enter a pregnant woman's bloodstream and pollutants can then reach the foetus' circulation through the placenta and umbilical cord.
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。
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.
这是胎儿形成过程中令人疑惑的挑战之一：在胚胎成长过程中，这种对称和不对称的组合是如何进化出来的？
It is one of the intriguing challenges of foetal development how this combination of symmetry and asymmetry evolves as an embryo grows.
这种对于权利的考量微妙的变化着，而胎儿，随着他的成长，也自会将其主张诉诸良知。
The calculation of rights subtly shifts, and the fetus, as it develops, asserts its claim on the conscience.
“银汞合金含有汞，对于成长中的儿童和胎儿的神经系统具有神经毒性作用，”这一段陈述已被加入到该机构的网站中。
"Dental amalgams contain mercury, which may have neurotoxic effects on the nervous systems of developing children and fetuses," reads a statement that has been added to the agency's Web site.
药物原因导致提前引产的可能包括体型过大或胎儿成长不足，以及母亲有糖尿病这类的问题。
Medical reasons for earlier induction may include advanced size or lack of proper growth of the fetus and maternal issues like diabetes.
让胎儿健康成长的秘诀是什么？
在将海洋女神和她没有出世的胎儿整个吞下之后，宙斯继续孕育着雅典娜，但由于宙斯不具有分娩的能力，胎儿在他的头颅中继续成长。
By swallowing the Oceanid and her unborn child, Zeus became pregnant with Athena, but he wasn't built to deliver a baby and he seems to have gestated the baby in his head.
重复暴露组与胎儿期暴露结果相近，成长期再次暴露的影响无统计学意义。
The repeative exposure group had a similar result with the prenatal group. The influence of exposure after growing had no meanings in statistics.
重复暴露组与胎儿期暴露结果相近，成长期再次暴露的影响无统计学意义。
The repeative exposure group had a similar result with the prenatal group. The influence of exposure after growing had no meanings in statistics.
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