 [ Symptoms ] my wbc is 16 1 neutrophils 10 948 lymphocytes 1191 triglycerides 655 what is wrong [ Disease ] taking testosterone is known to drop and probably zero out a man is sperm production it is well known as an effective form of male birth control  sadly [in] at least 15 or more of men on testosterone replacement the sperm counts do not come back when the testosterone is stopped and the longer you are on it the worse your chances for return of sperm if future fertility is a concern you should talk to your urologist asap abut stopping the testosterone and looking at other options based on your fsh level and testosterone levels