posted by admin on Mar 11

However, if a man’s sperm count is more than five million (averaging the three tests), and his FSH level is normal, treatment may improve his sperm count, and the quality of his sperm, sufficiently to enable him to become a father. In these cases, the doctor may decide it is advisable to take a biopsy of his testis. A small incision is made, under local anaesthesia, into his scrotum and then into his testicles, to obtain a tiny piece of tissue. The tissue is examined with a microscope to determine whether spermatozoa are being formed properly and how mature they have become.

In some cases of subfertility, the man is found to have varicose veins surrounding one or both of his vas deferens, where his scrotum is attached to his body. Surgery, to cure the varicose veins, is usually followed by an increase in his sperm count and he has a 50 per cent chance of fathering a child.

The only subfertile men whose sperm counts may increase if drugs are used are those men whose count is more than five million sperms per millilitre, whose FSH levels are normal, and who have no varicose veins in their scrotum. This small group of subfertile men are being treated with a drug called clomiphene, in carefully observed trials. As spermatozoa take about eighty days to become mature the drug has to be given for at least this length of time if improvement in the man’s sperm count is to be achieved.

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