My Sperm Count Is 10 M/ml And Grade I Motility

my sperm count is 10 m/ml and grade I motility also liquefaction time is 4 Hr, my doctor done my hormone test in that some FSH is low, so they gane me FSH injection with CoQ and Fertyl M tablets , i just want to know success rate of FSH , in male infertility how FSH injections are work , is there any benifits of FSH in low sperm count and low motility? kindly suggest .