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目的：研究解脲支原体感染对精子功能的影响。方法：正常精液一式2份，一份用解脲支原体Ⅳ（UUⅣ）型人工感染正常精子，一份作对照.于感染后4、8、16、24h观察精子的低渗肿胀试验、精子爬高试验、精子活动力及活率。结果：正常精子受UUⅣ型感染8h，爬高高度低于对照组（48.1±4.2mmvs69.5±1.6mm，P＜0.05）;感染16hg形精子百分率、活动力、活率明显下降;感染24h精子总肿胀率明显低于对照组（12.75±8.98％vs75.50±4.88％，P＜0.01）。结论：UUⅣ型对精子低渗肿胀率和毛细管中爬高力有明显影响、是引起男性不育的病因之一。
Objective: To study the influence of Ureaplasma urealyticum infection on sperm function. Methods: Normal spermatozoa were divided into two groups, one was infected with UU Ⅳ artificial spermatozoa, and one was used as control.After 4, 8, 16 and 24 hours after infection, sperm hypoosmolar swelling test Test, sperm motility and viability. Results: The normal spermatozoa were infected by UU type Ⅳ for 8 hours and the height of climb was lower than that of the control group (48.1 ± 4.2mm vs69.5 ± 1.6mm, P <0.05). The sperm percentage, The total swelling rate was significantly lower than that of the control group (12.75 ± 8.98% vs75.50 ± 4.88%, P <0.01). Conclusion: UU Ⅳ type has obvious effect on sperm hypoinvasion rate and capillary force in climbing, which is one of the causes of male infertility.