In the scheme of things, your T levels are kinda low already, and the change you see is statistically irrelevant, since T levels can vary widely from day to day.
My level was like 775 when I started, but it took time for the E to change my body enough to keep it from manufacturing as much T as it has been all along. I am also intersex, btw, and though my ova-testes only created a tiny bit of T, I have little to no T receptors, so my free T was out of this world. It was a hellish recipe, ha!
Your increase in E is consistent with the lowest level usually administered. Reducing T production takes physiological changes, whereas increasing E is an additive process.
You are worrying over nothing. Relax!
Of course, I am not a doctor. Though I do enjoy playing one with my bf from time to time, lol..