Your endo is likely a little behind on TRT protocols, once weekly shots still cause high and lows and labs are more a result of timing than what’s actually going on. You’re not going to dial in on weekly shots, your levels will fluctuate too much. I’m on 100mg weekly and do to my low SHBG I require shots EOD, twice weekly wasn’t enough. If you have no clue what your SHBG is, then how are you supposed to know how many shots per week you require? Guessing?
Your endo likely has little experience prescribing TRT, this is typical. You need to educate yourself and take things into your own hands if your doctor doesn’t listen to your concerns, inject more often.