Tom, faith comes from hearing the word of God, (Rom 10:17), so John would not have been able to accomplish that inside his mother's womb. Does that help?
Can the unborn not hear?,
The Bible says that God knows all of us from creation. He knows who will accept him and who won't. He knew since creation who John would turn out to be and chose him to be the precursor to Jesus.
“In a time of deceit telling the truth is a revolutionary act.” ― George Orwell
It's not over when you lose. It's over when you quit.
