I came across this question a few weeks ago and wanted to get other Christian's thoughts on it.
I have been taught that God is all knowing and He knew us before the foundation of the world.
Since God knows us before we are ever born, then God knows whether we will be born again or not and therefore it seems that some souls are born into this world destine to spend eternity in hell because God knew ahead of time they would never believe. (even tho the souls themselves didn't)
I realize there is much we do not know and we can really only give opinions about things. But, maybe someone has deep insight into this matter.