Seriously? The prophecy never said when the chosen one was born. For all we know it was a baby centaur born as the 7 month dies. And whats the deal with it being a boy? Or a baby? Couldn't it be some middle aged hobo? What I'm trying to say is that the whole prophecy thing is subjective, and sometimes they come true in the most unorthodox way.

You can believe what you want. But you can't deny the truth when the time comes to face the consequences.