为什么生男孩越来越难：激素刺激等

　　But all vertebrates--or creatures with backbones--have similar sex hormone receptors in their

　　bodies. "Therefore, observations in one species may serve to highlight pollution issues of concern for other vertebrates, including humans," the report says.

　　所有的脊椎动物在体内都有类似的激素受体。报道称，“因此，其它动物包括人类在内的脊椎动物都有受到污染物影响的可能。”

　　Its author, Gywnne Lyons, a former government adviser on chemical-pollution, said: "Urgent

　　action is needed to control gender-bending chemicals and more resources are needed for

　　monitoring wildlife."

　　这项报告的作者格温·莱昂斯曾经担任政府在化学污染问题方面的顾问。她说，“我们需要采取紧急措施来控制这些改变性征的化学物。我们需要更多的资源来监测野生动物。”

　　"If wildlife populations crash, it will be too late. Unless enough males contribute to the next generation there is a real threat to animal populations in the long term."

　　“如果野生动物数目减少，那就会太晚了。除非有足够的雄性来繁衍新生代，否则长久以往，动物的数目将面临真正的威胁。”

　　Some studies have shown that sperm counts in the West have fallen over the past 30 years. Others have shown a rise in boys born with genital deformities.

　　其它一些研究显示，西方男性的精子数量在过去30年中有所下降。另外的调查显示，出生时生殖器畸形的男婴数目有所增加。

　　Communities heavily polluted with hormone-disrupting chemicals in Russia, Canada and Italy

　　have produced twice as many girls as boys.

　　在俄罗斯、加拿大和