Is There an Essence That Existed Before We Were Born

I don't believe we have an eternal nature, which includes sexual identity before we were born. I somewhere existed, at least in a purely virtual way, before i was born with a fixed identity. And it happened from time to time that then i was born into a wrong body. Finally, through the transent operation, i can find my own proper body. Now, you will say this is a fiction. Of course it's a fiction. But it's, if i may put it like this, a truthful fiction. Is the of freedom, what hegel called self positing? For example, his other hero is, i like this news, who was the big other who intervened