Welcome. Are you saying that you have one injection a month of 200 mg? If so this could certainly cause problems. Infrequent injections usually put a guy on a hormonal roller coaster. How long have you been on TRT? When was your testosterone measured relative to your last injection?
I am not a medical doctor; any suggestions are meant to be discussed with your doctor.
Age: 60, Ht: 5'10", Wt: 154 lbs
Protocol: 4.5 mg T propionate subQ qd, 20 mcg GnRH subQ 5.25x/d, 6.25 mg DHEA bid, 12.5 mg enclomiphene q4d
Approximate levels (peak): TT: 700 ng/dL, E2: 30 pg/mL, DHEA-S: 300 ug/dL, SHBG: 30 nMol/L