I was just reading this chapter in a book where the characters are talking about the "continuity" that exists or doesn't exist for trans people between their pre-egg crack and/or pre-transition selves and the version of their selves which evolves on the other side of those life milestones.
It's a fascinating question that I've pondered on and off for a long time.
For me, BOTH continuity and discontinuity have existed simultaneously.