日本泌尿器科學會雑誌

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The incidence of sterility in the male is very important for the all childless marriages and the sufficient density of sperm cells in a semen specimen has close relation to fertility. The cause of sterility in the male has its base on aspermatism, impossibility of impregnation of spermatozoa and the pathological changes of component of semen specimen.
The author had 32 cases complaining sterility in our clinic and especially examined the existence of spermatozoa in semen specimen. Among 32 cases its normal density was found in 17 cases, oligozoöspermia in 3 cases necrozoöspermia in one case, azoöspermia in 9 cases, necrozoöspermia with oligozoöspermia in one case and impotencia coeund in one case.
From the first the number of sperm cells in a semen specimen varies from very many to none. (polyzoöspermia, oligozoöspermia and azoöspermia) And it is necessary to know that the azoöspermia is sometimes a temporary condition and the sexual overloading produces bad breeding record. In a word it is important to have sufficient density of sperm cells in fertilization.
The sterility after the epididymitis was discussed and many opinions were published. From my record by both bilateral and lateral epididymitis the author found some obstruction of sperm cell's transportation. But azoöspermia was found only in one case each on both bilateral and lateral epididymitis.

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