No, there will always be the threat of teen pregnancy. Conversely, we could wipe out HIV permanently if enough public will across the world was directed toward it.
I fully believe that HIV wouldn’t exist if PrEP had come out in the 80s when public hysteria was at an all-time high and the will to eradicate it was present.
>if PrEP had come out in the 80s when public hysteria was at an all-time high
You mean the time the US admin was intentionally neglecting the epidemic because "it's a gay disease"? Why do you think Reagan would have done anything to ensure such a medication was easily available?
We haven’t even managed to wipe out polio, and that is a cheap, lifelong vaccine.