'Unborn' in the Bible

“She treats her young cruelly, as if they were not hers;Though her labor is in vain because she is unconcerned [for the safety of her brood],

Let this be recorded for the generation to come,That a people yet to be created will praise the Lord.

The pains of childbirth come on him;But he is not a wise son,For it is not the time to delay [his chance at a new birth] as the womb opens [but he ignores the opportunity to change].

and though the twins were not yet born and had not done anything either good or bad, so that God’s purpose [His choice, His election] would stand, not because of works [done by either child], but because of [the plan of] Him who calls them,