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المستخلص
Azoospermia , the absence of spermatozoa in the ejaculate , is common in the infertile male population occurring in 10%-20% of men with abnormal semen parameters.
Azoospermia in tody;s context can mean at least three different meanings:apparent azoospermia but with spermatozoa present in the ejaculate (cryptozoospermia), apparent azoospermia but with epididymal or testicular spermatozoa,and apparent azoospermia with or without immature spermatogenic cells present in the ejaculate or testis.