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经434例输精管结扎术后的系统精液检查,以精液中残余活动精子和活精子消失时间的95%上限确定防止残余精子致孕的避孕时限为180天或20次排精。不同排精频率与残余活动精子,活精子、精子消失的时间都有密切联系;而在平均排精频率基本相同的年龄组中年龄与残余精子的上述三种消失的时间和排精次数均无密切联系。表明残余活动精子、活精子、精子的消失速率主要与排精频率有关。因此,可以采用增加排精频率的方法避孕20次,以缩短输精管结扎术后的避孕时间。
After 434 cases of vasectomy system semen examination to sperm residual activity of sperm and live sperm disappear 95% of the time limit to determine the residual contraception of pregnancy contraceptive time limit of 180 days or 20 times the ejaculation. Different frequency of sperm-rowing was closely related to the disappearance time of sperms, live spermatozoa and spermatozoa. However, there was no significant difference in age and frequency of spermatozoa among the three age groups with the same average frequency of sperm-feeding close relationship. Show that the residual activity of sperm, live sperm, sperm disappear rate is mainly related to the frequency of the ejaculation. Therefore, you can increase the frequency of sperm row method of contraception 20 times to shorten the contraceptive space after vasectomy.