for general info i checked when some one start hormones
they have to make regular check ups every 3 months
i hear they go from blood test
in blood test which levels are checked
when blood test is done these levels are checked and which level is checked in hormones

Albumin: 3.9 to 5.0 g/dL
Alkaline phosphatase: 44 to 147 IU/L
ALT (alanine aminotransferase): 8 to 37 IU/L
AST (aspartate aminotransferase): 10 to 34 IU/L
BUN (blood urea nitrogen): 7 to 20 mg/dL
Calcium: 8.5 to 10.9 mg/dL
Chloride: 96 - 106 mmol/L
CO2 (carbon dioxide): 20 to 29 mmol/L
Creatinine: 0.8 to 1.4 mg/dL **
Glucose test: 70 to 100 mg/dL
Potassium test: 3.7 to 5.2 mEq/L
Sodium: 136 to 144 mEq/L
Total bilirubin: 0.2 to 1.9 mg/dL
Total protein: 6.3 to 7.9 g/dL

In hormones section tested should be at least testosterone, estradiol, shbg, prolactin.