Male hormonal imbalances are quite rare. If a man's reproductive hormones are too high or too low, it many indicate testicular failure resulting in very low sperm counts. Blood tests can be carried out to look at the levels of follicle stimulating hormone (FSH), luteinising hormone (LH), testosterone and prolactin.
Treatment options depend on many factors, such as whether the man is able to produce sperm or not and, if so, its quantity and quality. A reproductive endocrinologist or urologist will decide what needs to be done. Men with hormone imblances may be given clomiphene (the same drug that is given to women to stimulate the ovaries) as this can kick-start the testicles to produce testosterone. In more serious cases, other druhs might be used.
If the man has severe problems, direct access to the testicles to aspirate sperm may be a solution, such as PESA or TESE.