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The causes of male infertility have been well delineated in numerous textbooks and articles. These are divided into six major categories such as failure of spermatogenesis, failure of sperm maturation, failure of sperm transportation, failure of semen composition, failure of hormonal system and failure of ejaculation. Besides these, the motile activity of sperm has been regarded as an important factor for the impregnation This clinical study has been undertaken to examine the effects of hemologous human semen mixtures upon the motile time of the spermatozoa, and the result are presented as follows; Group 1, Mixture of Normospermia and Normospermia: 10 mixtures Normospermia-A: 471. 9 minutes of aver age sperm motile time Normospermia-B: 369. 4 minutes of average sperm motile time Normo-A+Normo-B mixture: 452. 5 minutes of average sperm motile time Group 2, Mixture of Normospermia and Oligospermia: 10 mixtures Normospermia: 445.3 minutes of average sperm motile time Oligospermia: 376.2 minutes of average sperm motile time Normo+Oligo mixture: 456. 1 minutes of average sperm motile time Group 3, Mixture of Normospermia and Azoospermia; 8 mixtures Normospermia: 433. 3 minutes of average sperm motile time Azoospermia: Normo.+Azoo. mixture: 455. 1 minutes of average sperm motile time Group 4, Mixture of Oligospermia and Azoospermia; 6 mixtures Oligospermia: 343. 6 minutes of average sperm motile time Azoospermia: Oligo.+Azoo. mixture: 348. 1 minutes of average serum motile time In In conclusion, 1. no mutual spermicidal effect but tendency toward enhancement of sperm motile time 2. no sperm agglutinating phenomenon nor sperm immobilizing effect were noted in various semen mixtures 3. posibilities of clinical application such as AID arc considerable and 4. further studies are needed in conjunction with the serum autoimmune mechanism.
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