What Are Urinary Black Hole?

In the very early universe, you could have had these quantum fluctuations that arise out of Heisenberg's uncertain principle. And there could have been a massive amount of primordial black holes produced at different early epochs in the universe's history. Preheating, reheating, even pre-inflation, maybe post-inflation also. There are various mechanisms through which there could be an overproduction of primordialBlackHoles.