azoospermia
Azoospermia is the term for the complete absence of sperm cells in the semen. Although this is a sperm problem, it is discussed separately here.
symptoms
Whether or not a man’s semen contains sperm cannot be seen with
the naked eye. Instead, a
semen analysis is required in a laboratory to actually determine whether sperm cells are present or not.
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cause
This rare condition can be caused by a blockage in the vas deferens, an illness or a developmental defect. Azoospermia can also be caused by a hereditary defect such as
Klinefelter’s Syndrome. Blockages can be tested for with the aid of an ultrasonograph.
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treatment
The cause of the azoospermia has to be determined to decide on treatment. The absence of sperm in the semen sample itself does not necessarily mean the testiscles are not producing sperm. It may just mean they cannot enter the ejaculate. If a blockage is causing the underlying problem, surgical correction may sometimes help to clear the blockage. Sperm may possibly be collected for use in IVF with ICSI via a testicular biopsy or puncture of the testis or epididymis. However on occasion, the use of donor sperm may be the only option.
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