CDC works 24/7 to save lives and protect people.

疾控中心全天候为拯救生命和保护人民工作。

This month’s Vital Signs focuses on teen pregnancy. We’ve made progress.

本月的《生命特征》关注青少年怀孕。我们取得了进步。

Over the past 20 years, the number of births to teen mothers has decreased.

在过去的20年间，有生育的青少年母亲数量有所下降。

But never the less, in 2012, the last year for which we have complete data, more than 300,000 15- to 19-year olds gave birth.

但是，2012年是我们完成数据统计的最后一年，有30多万15岁至19岁的孩子有生育行为。

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1out of 4 of those mothers was between 15 and 17 years old. Teen pregnancy is a real problem.

其中有四分之一的母亲在15到17岁之间。青少年怀孕是个大问题。

It contributes to and perpetuates the cycle of poverty.

这会导致贫穷的长期循环。

Doctors, nurses, and other health care providers can provide the facts and counsel sexually active young women, helping them consider the most effective reversible methods of birth control, such as IUDs and long-acting implants.

医生、护士和其他卫生保健提供者可以提供该事实，并忠告性行为活跃的年轻女性，帮助她们考虑最有效的避孕措施，比如子宫内避孕器或者长效植入器。

We can provide this information in a manner that is both factual and respectful.

我们可以以既真实又尊重的方式来提供这些信息。

Young men and young women share responsibility to avoid teen pregnancy.

青年男性和女性都有责任采取避孕措施。

Let’s support our teens so they delay having sex until they’re older.

我们应该支持青少年，让他们在晚些时候开始性生活。

It’s good news that the rate of teen pregnancy is decreasing.

青少年怀孕率有所下降，这是好消息。

Let’s help teens take control over their future.

我们一起帮助青少年掌控他们的未来吧。

1.contribute to 导致，贡献

例句：Both systems contribute to the decentralization of power.

这两套体制都有助于权力的分散。

2.take control over 控制，掌控

例句：A rapist uses actual force or violence — or the threat of it — to take control over another human being.

强奸犯就是利用实际武力或暴力---或是用武力威胁来控制另外一个人。