First time breeding, could this be an ovulation?

[trnreptiles]

My assumption would be a preovy swell, or that she’s still building. She doesn’t quite look like she’s ovulating.
You’ll know when the ovulation is occurring, she’ll look huge!
This is my first year breeding too, so I’ll show some examples of what I’ve experienced with my snakes:

Preovy swell:


The ovulation:


Here’s another couple ovulations:




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