TRT turns off LH/FSH and testes stop working, pregnenolone proably dropped and pregnenolone–>progesterone–>cortisol in adrenals can be lower. But ATCH lower does not make sense as lower cortisol should increase ATCH.
One the road, posts are difficult, so all for new, please take time with what follows. Your docs are not going to figure this out on their own.
Please read the stickies found here: About the T Replacement Category - #2 by KSman
- advice for new guys
- things that damage your hormones
- protocol for injections
- finding a TRT doc
Evaluate your overall thyroid function by checking oral body temperatures as per the thyroid basics sticky. Thyroid hormone fT3 is what gets the job done and it regulates mitochondrial activity, the source of ATP which is the universal currency of cellular energy. This is part of the body’s temperature control loop. This can get messed up if you are iodine deficient. In many countries, you need to be using iodized salt. Other countries add iodine to dairy or bread.