Testosterone: Testosterone levels are very variable in men. Can range from 250-1250 ng/dl and still be normal. Very low testosterone levels may be associated with testicular failure. Supplementing testosterone will cause the sperm to be very low or zero. Not a good idea. The testosterone comes from the testicle the same place that sperm is made.
Answered 12/10/2015
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A doctor has provided 1 answer
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