Leaders also feared abortion was contributing to the fall of birth rates among white women.

同时也担心堕胎会降低白人生育率。

And birth rates for women in their teens and 20s reached record lows.

岁和岁性的生育率创最低记录。

After the war there was a bulge in the birth rate.

战后出生率一度激增。

In fact, it's even more rigged than birth rates show — human conception results in about 150 male zygotes for every 100 females!

事实上，它的操纵比现在的出生率更夸张——人类受孕的结果是，每 100 个性胚胎就有大约 150 个男性胚胎！

Back in 2016, China scrapped it's one child policy and replaced it with a two child policy but the birth rate has continued to decline.

2016年，中国废除了独生子政策，代之以孩政策，但出生率依然保持下降。

" People are feeling like it's safe to start a family again." Australia's birth rate had been in steady decline since 1990, dropping to a half-yearly low of around 125,000 births during the April to September period of 2002.

“人们对开始一个家庭重新恢复信心。” 自从1990年，澳大利亚的出生率稳步下降，到了2002年4—9月间，半年的新生儿下降到125000。

Traditionalists gave birth to the baby boomers who were, of course, part of the huge birth rate increase following the second World War.

传统派生下了婴儿潮一代，他们当然也是世界大战后出生率增加的一部分原因。

So far, boosting Japan's birth rate has been a losing battle.

到目前为止，提高日本的出生率一直是一场失败的战斗。

All of these groups continue to have above-average birth rates.

所有这些族群出生率将继续维持在平均以上。

However, other experts say it is more likely that birth rates will fall.

然而，其他专家说出生率更有可能下降。

Health experts say there is no single explanation for the falling twin birth rates.

健康专家表示，双胞胎出生率下降没有单一的解释。

Whether and when birth rates bounce back, and how high, has broad consequences.

出生率是否会反弹，在什么时候反弹，反弹多少，结果不定。

But over the years birth rates fell. Families began to have fewer and fewer children.

但是这些年出生率下降了，人们要的孩子数开始越来越少。

It will also help to increase the country's declining birth rate.

这也将帮助提高国家不断下降的出生率。

A government report found the U.S. birth rate fell four percent in 2020.

一份政府报告发现，2020年美国出生率下降了4%。

The nation's birth rate has also been going down for years.

多年来，该国的出生率也一直在下降。

That means the effects of a falling birth rate are an even bigger problem.

这意味着出生率下降的影响是一个更大的问题。

Immigration helped to make up for a low birth rate in Germany.

移民帮助弥补了德国较低的出生率。

Birth rates in India will fall to below the level seen in America last year.

到那时印度的出生率将下降到比去年美国出生率还要低的水平。

We need to do something to raise the birth rate.

我们需要采取一些措施来提高出生率。