这种行为表明新鲜擦痕上的化学物质可能有助于从生理上诱导并让关注这些擦痕的雌鹿同时受孕。
In view of this behavior it has been suggested that chemicals present in fresh buck rubs may help physiologically induce and synchronize fertility in females that visit these rubs.
她发现，丹麦的年轻妇女的自然受孕率比过去的数十年要很明显地低。
She found that young women in Denmark have a significantly lower natural conception rate than in past decades.
我知道很多人认为我们之所以成功，是因为采用了最新的人工受孕技术，但我还是认为我们选择了一个正确的时间。
I know many people will say we were successful because we used this new type of IVF, but I also like to think we chose a propitious time.
但是惊讶很快变成了不服，因为这位人称的“八胞妈”被曝出她的所有14个孩子都是人工受孕怀上的。
But world astonishment turned to unease when it emerged that Octomom, as she was called, had conceived all her 14 children through in vitro fertilisation.
一项试验表明，即使对接近40岁的不孕症患者，它也能使受孕率提高一倍。
A trial showed that it doubles the rate of conception, even for patients in their late thirties.
在2007年发表的一项比利时回顾研究中，IVF和输卵管复通术的受孕率之间在统计学上没有显著差异，直到按女性年龄进行评估。
In a retrospective Belgian study published in 2007, the difference in pregnancy rates between IVF and tubal reversal were statistically insignificant until they were examined by age of the woman.
跟曼迪一样，凯瑟琳和她46岁的丈夫史蒂夫·希尔，深受2次人工受孕失败的折磨，随后他们转向星相学寻求帮助。
Like Mandy, Catherine and her husband Steve Hill, 46, endured four IVF attempts and two -miscarriages before turning to astrology.
肥胖者减掉5% - 10%的体重可显著改善排卵和受孕率。
Weight loss of 5% to 10% May dramatically improve ovulation and pregnancy rates.
更好地了解奶牛生殖道的解剖和生理，可成为你提高受孕率和繁殖效率的优势。
Better understanding of the anatomy and physiology of your cows' reproductive tract can be used to your advantage to increase conception rates and reproductive efficiency.
当一名30岁的健康女性每月的受孕率为20％时，对于那些40岁的女性来说受孕率会降到只有5％。
Whereas a healthy 30-year-old woman has a 20 percent chance of getting pregnant in any given month, by age 40 those odds drop to 5 percent.
瑞典等国的实践已表明，在不降低受孕率的情况下移植单个胚胎是可能的。
Countries like Sweden have shown that it is possible to move to single embryo transfer without reducing the pregnancy rate.
显性致死实验结果表明各剂量组的受孕率、死胎和吸收胎数经统计学处理与阴性对照组无差异。
The results of dominant lethal test showed no statistical difference in the number of living, dead and resorbed fetuses between the exposed and the negative control groups.
“但却没有细致谨慎的研究来调查胎儿酒精障碍谱系的另一面，”她补充道，“不管大家多么不能接受孕妇饮酒这件事，我们想要看看科学是怎么解释的。
"There hasn't been rigorous research to look at the lower end of the drinking spectrum, " she added. "Regardless of the emotive issues, we wanted to look at the science.
“国际数据显示，IVF后双胞胎的出生率可以在不影响妇女受孕率的情况下降低，”Braude说道。
"The international data shows that the incidence of twins after IVF can be reduced without damaging women's chance of conceiving," says Braude.
正如妇女有最佳受孕期，一个自闭症或唐氏综合症的老年男子也会更多几率的拥有一个孩子。
As with women who conceive past their peak, older men also increase the odds of having a child with an abnormality like autism or Down syndrome.
同时对美国对于那些提供这种人工受孕服务的医生和诊所的那些不严格的监管也提出了质疑。
It is also raising questions about the lax regulations covering doctors and clinics that provide such services.
同时对美国对于那些提供这种人工受孕服务的医生和诊所的那些不严格的监管也提出了质疑。
It is also raising questions about the lax regulations covering doctors and clinics that provide such services.
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