The women were given fertility drugs to stimulate the ovaries.
那些妇女得到了促进卵巢功能的生育药。
The fertility of women who smoke is half that of nonsmoking women.
吸烟女士的生育能力是非吸烟女士的一半。
Doctors will tell you that pregnancy is the only sure test for fertility.
医生们会告诉你怀孕是测试生育能力的惟一准确的方法。
One study showed that even as few as ten cigarettes a day can damage fertility.
一项研究表明，每天哪怕只抽10支烟也会损害生育能力。
That's a fertility rate of 2.0.
生育率是2.0。
They thought they were an example of successful fertility treatment.
他们认为他们是一个成功的生育治疗的例子。
By some studies, the safety nets for retirees have reduced fertility rates.
一些研究表明，退休人员的社会保障体系使生育率降低了。
Moreover, some have been found to have a valuable function in building up soil fertility.
此外，已经发现一些在提高土壤肥力方面有重要作用。
It has been suggested that these figurines were an ideal type or an expression of a desire for fertility.
人们认为这些雕像是一种理想类型，或对生育愿望的表达。
He wrote: Collating old records shows that our greatness rises and falls with the living fertility of our soil.
他写道：对旧记录的整理表明，我们的伟大是随着我们土壤的丰饶而起落的。
Without federal oversight, the highly competitive fertility business may soon use the new technology to attract clients.
如果没有联邦政府的监管，竞争激烈的生育行业可能很快就会利用这项新技术来吸引客户。
Snakes are symbols of renewed life and fertility in the East; because they shed their skins so they seem to be eternally young.
在东方，蛇一般都是新生命和多产的象征；因为蛇的蜕皮似乎能使它永远年轻。
It not only affected the chemical signals of fertility, but it also obliterated the signals of an animal's individual identity.
它不仅影响了生育能力的化学信号，而且也截断了能显示动物个体特性的信号。
In one area, it made painstaking efforts to quantify fertility preference to derive figures for planned and unplanned pregnancies.
在一个领域，它付出了艰苦的努力来量化生育偏好，以得出计划生育和非计划生育的数据。
"No one has a good answer" as to why fertility varies among countries, says sociologist Andrew Cherlin of The Johns Hopkins University.
约翰霍普金斯大学的社会学家安德鲁·切尔林说，对于为什么不同国家的生育率不同，“没有人能给出一个好的答案”。
Nature and fertility would have been all-important; they would have worshipped sun gods, water gods, moon gods and doubtless bison gods.
自然和肥沃是最重要的；他们崇拜太阳神、水神、月亮神，无疑还有野牛神。
A closer look at the fertility behavior of the poor is important because of the extensive literature on the "replacement effect" of high infant mortality.
仔细研究穷人的生育行为是很重要的，因为有大量关于婴儿高死亡率的“替代效应”的文献。
To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
为了做出更准确的人口预测，人口统计学家必须比现在更多地了解生育率的社会和经济决定因素。
Two-thirds of those people who are illiterate are women and about 200 to 250 million women don't have access to birth control they want, so that they can control their own fertility.
这些文盲中有三分之二是女性，大约有2亿至2.5亿妇女无法获得她们想要的节育措施，这样她们就可以控制自己的生育能力。
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。
He was able to bring large sterile acreages back to fertility.
他能把大片不毛之地变回沃土。
The Black Death of 1348 was caused by gradual loss of the humus fertility found under forest trees.
1348年的黑死病是由森林树木下腐殖质的逐渐丧失引起的。
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.
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。
Nitrate and water-soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
硝酸盐和水溶性有机氮随着去离子水的迁移而迁移，并增加了土壤的肥力。
Stress is no friend to fertility.
压力是生育能力的大敌。
Age also plays a role in fertility.
年龄也是影响生育能力的因素之一。
The total fertility rate is contentious.
对于总生育率，目前仍存有争议。
Africa's fertility rates are falling.
非洲的出生率下降了。
Why has fertility fallen so fast, so widely?
为什么生育率以此等快速和规模降低？
What should I avoid to protect female fertility?
我该避免些什么，以保护生育能力？
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