That was the case with me since i stopped my AI. I do think in some sensitive individual extra E2 on trt blocks thyroid hormones.
I noticed my tsh and t4 was further dropped below. T3 was okay. I did try different thyroid hormone for almost a year with no success until i figured out i was severely zinc deficient.
I now take higher dose of iodine according to dr. Brownstein
Zinc, selenium, magnesium and vitamin d. Definitely feels better than i was on thyroid hormone.