The human reproductive system is complicated and often unpredictable.

人的统很复杂，常常无法预料。

Plastics and pesticides have left endocrine-disrupting chemicals everywhere-in us and in wildlife, affecting reproductive systems.

塑料和杀虫剂使得引起内分泌紊乱的化制品到处都是——遍布于我们以及野物的身边和周围，影响着统。

Plastic exposure harms our immune and reproductive system, the liver, the kidney and even causes cancer.

塑料带来的污染已经开始损害到我们人类的免疫和统，破坏了我们肝、肾，甚至会导致癌症。”

Those substances can influence and disrupt hormone levels, in some cases, they are also capable of affecting the reproductive system.

这些物质可以影响和破坏激水平，在某些情况下，它们也能影响统。

We also have an ultrasound system that we use that can help us to research their fecundity and reproductive systems.

我们还有一个超声波统，可以帮助我们研究它们的繁力和统。

Some people associate that shape with the female reproductive system.

有些人将这种形状与女性统联起来。

We've already spoken about sleep loss and your reproductive system.

我们已经谈到了睡眠不足和您的统。

That is the female reproductive system.

那是女性统。

The reproductive system is constructed differently for males and females.

男性统合成、运输和滋养精子并产雄激，调节男性性征。

They are also available for the male and female reproductive systems, and for developing fetuses.

它们也可用于男性和女性统，以及胎儿发育。

Sleep deprivation affects the reproductive system as well, causing lower testosterone levels in men.

睡眠不足也会影响统，导致男性睾丸激水平降低。

And perhaps surprisingly, the interactions with the reproductive system are crucial for brain aging in women.

也许令人惊讶的是，与统的相互作用对于女性的脑老化至关重要。

But there are oestrogen and progesterone receptors all over the body, not just in the reproductive system.

但雌激和孕激受体遍布全身，而不仅仅是统。

It is an incidental result of differences in the reproductive systems of the parent-species.

这是亲本物种统差异的偶然结果。

By testing on animals, they're able to see if vaccines have any impact on functions like the reproductive system.

通过对动物进行测试，他们能够了解疫苗是否对统等功能有任何影响。

But they noted the process will not work on some kinds of insects that have more complex reproductive systems, such as fruit flies.

但他们指出，这一过程不适用于某些统更复杂的昆虫，比如果蝇。

When taken for a week, the drug disrupted the production of testosterone. This hormone is critical to the development of male reproductive systems.

服药一周后，这种药物会扰乱睾丸的声称，这种荷尔蒙对男性统的发育很关键。

Hair follicles, the cells of the mouth, the gastrointestinal lining, the reproductive system, and bone marrow are hit nearly as hard as cancer.

毛囊、口腔细胞、胃肠道内膜、统和骨髓受到的损害几乎与癌细胞一样严重。

Hence the reproductive system of this one variety must have been in some manner and in some degree modified.

因此，这一个品种的统一定以某种方式和某种程度发了变化。

Now, only having one complete X chromosome impacts the female reproductive system by increasing the rate of loss of eggs, which normally happens more slowly.

只有一条完整X染色体会影响女性统，会加快卵细胞的丢失速率，而该过程对于正常女性来说通常发得较慢。