Actually, Black birthrate has been declining and is soon to be the same as the White birthrate in the future:
The reason why the US is becoming less White is because of Mexicans, not niggers. Guess what social culture Mexicans have? Yep, anti-abortion Catholics with who are pro-recreation. Similar to Muslims. It's a pretty weak point to say that contraception/abortion shouldn't be available because you need more whites, you can easily counter with the opposite. Rather there has to be a change in the culture to promote white reproduction.
That's kind of my point - the "right" to partake in fornication without owning up to its natural intention and consequence is contributing to the white genocide. As far as I'm concerned, if you use contraception or abortion for "casual sex", you're every bit as degenerate as the sodomites.
Thing is, abstinence doesn't work. It'd be great if it did, but it doesn't. And throughout history, it hasn't - prostitution has gone down significantly due to the introduction of contraception, which is far more degenerate than contraception. White genocide is much more blamed upon immigration policies and multiculturalism. I used Eastern Europe as an example to prove this; they have high abortion rates but no liberal Marxist bullshit, thus no white genocide.