Unfortunately, wide-ranging contraception programs do not usually reduce this rate.

不幸的是，广泛的避孕方案通常不会降低这一比率。

youdao

The results are most striking for the total fertility rate, which dropped from 6.3 children per woman in 1960 to 2.3 in 2000, despite contraception being officially discouraged for some of that time.

最引人注目的结果是它对生育率的影响。 虽然在这期间有些时候，官方甚至正式反对避孕，但是生育率仍然迅速下滑。

youdao

Conclusion: Reversible oviduct block contraception is a new method, its blocks being unlikely to drop out; safe and reliable, with good reversibility and high renewal rate of pregnancy.

结论：输卵管置管可复性节育术方法新颖，不易脱落，安全可靠，可复性好，复孕率高。

youdao

But some of those cities, like New York City, are beginning to prove that with the right approach to education and contraception, and enough money, the teen pregnancy rate can come down.

CNN: Rural America has a teen pregnancy problem