About six months. Here are my most recent labs and labs before I began. I know a seminal analysis/count is the only way to know with certainty. I'm just looking for educated guesses, as I've read that FSH is strongly correlated with counts.
Testosterone, Total 726
Testosterone, Free 141.1
Estradiol 46
Same ranges as below
FSH Reference Range: 1.6-8.0 (mIU/mL) 13.1
ESTRADIOL Reference Range: < OR = 39 (pg/mL) 54
T3 REVERSE, LC/MS/MS Reference Range: 8-25 (ng/dL) 18
TESTOSTERONE, TOTAL, LC/MS/MS Reference Range: 250-1100 (ng/dL) 356
FREE TESTOSTERONE Reference Range: 35.0-155.0 (pg/mL) 63.1
PROTEIN, TOTAL Reference Range: 6.1-8.1 (g/dL) 7.6
ALBUMIN Reference Range: 3.6-5.1 (g/dL) 4.6
GLOBULIN Reference Range: 1.9-3.7 (g/dL (calc)) 3.0
ALBUMIN/GLOBULIN RATIO Reference Range: 1.0-2.5 ((calc)) 1.5
BILIRUBIN, TOTAL Reference Range: 0.2-1.2 (mg/dL) 0.6
BILIRUBIN, DIRECT Reference Range: < OR = 0.2 (mg/dL) 0.1
BILIRUBIN, INDIRECT Reference Range: 0.2-1.2 (mg/dL (calc)) 0.5
ALKALINE PHOSPHATASE Reference Range: 40-115 (U/L) 56
AST Reference Range: 10-40 (U/L) 15
ALT Reference Range: 9-46 (U/L) 12
TSH Reference Range: 0.40-4.50 (mIU/L) 1.28
T4, FREE Reference Range: 0.8-1.8 (ng/dL) 1.3
T3, FREE Reference Range: 2.3-4.2 (pg/mL) 3.6
WHITE BLOOD CELL COUNT Reference Range: 3.8-10.8 (Thousand/uL) 7.0
RED BLOOD CELL COUNT Reference Range: 4.20-5.80 (Million/uL) 5.59
HEMOGLOBIN Reference Range: 13.2-17.1 (g/dL) 16.5
HEMATOCRIT Reference Range: 38.5-50.0 (%) 48.2
MCV Reference Range: 80.0-100.0 (fL) 86.3
MCH Reference Range: 27.0-33.0 (pg) 29.6
MCHC Reference Range: 32.0-36.0 (g/dL) 34.3
RDW Reference Range: 11.0-15.0 (%) 12.1
PLATELET COUNT Reference Range: 140-400 (Thousand/uL) 216
MPV Reference Range: 7.5-11.5 (fL) 8.4
DHEA SULFATE Reference Range: 85-690 (mcg/dL) 469
LH Reference Range: 1.5-9.3 (mIU/mL) 4.8
PSA, TOTAL Reference Range: < OR = 4.0 (ng/mL) 0.5