| 摘要: |
| ［摘要］ 目的 探讨短时二次取精对精液质量及精子动态指标的影响。方法 选择2016年5月至2020年6月在广西壮族自治区人民医院生殖医学与遗传中心接受体外受精助孕的夫妇59对，排除女方不孕因素，男性均完成第一次取精和短时二次取精（第一次取精2 h内）。分析两次取精的精液质量及精子动态指标的差异。结果 短时二次取精的精液体积、不动精子浓度、不动精子百分率小于一次取精，前向运动精子浓度、前向运动精子百分率、非前向运动精子百分率大于一次取精，差异有统计学意义（P<0.05）。两次取精的精液浓度、圆细胞浓度、非前向运动精子浓度水平比较差异均无统计学意义（P>0.05）。短时二次取精的曲线运动速率、直线运动速率、平均路径速率、鞭打频率和前向性占比均大于一次取精，差异有统计学意义（P<0.05）。结论 短时二次取精可显著改善精液质量和精子动态指标，在临床上具有一定应用价值。 |
| 关键词: 短时二次取精 精液质量 运动参数 |
| DOI：10.3969/j.issn.1674-3806.2022.08.10 |
| 分类号:R 446 |
| 基金项目:广西自然科学基金面上项目（编号：2019GXNSFAA185056）；广西卫生健康委科研课题（编号：Z20210112） |
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| Effects of short-interval second ejaculation on semen quality and spermatozoon dynamic indicators |
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CHEN Liang-shi, HUANG Yue-yue, ZHANG Xiao-hui, et al.
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Reproductive Medicine and Genetic Center, the People′s Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
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| Abstract: |
| ［Abstract］ Objective To investigate the effects of short-interval second ejaculation on semen quality and spermatozoon dynamic indicators. Methods Fifty-nine couples who received in vitro fertilization at the Reproductive Medicine and Genetic Center of the People′s Hospital of Guangxi Zhuang Autonomous Region from May 2016 to June 2020 were selected. The females′ infertility factors were excluded, and the first ejaculation and the short-interval second ejaculation(within 2 hours of the first ejaculation) were completed in all the males. The differences in the semen quality and spermatozoon dynamic indicators of the two semen collections were analyzed. Results The semen volume, the immotile sperm concentration, and the percentage of immotile sperms in the short-interval second ejaculation were less than those in the first ejaculation, while the concentration of forward motile sperms, the percentage of forward motile sperms, and the percentage of non-forward motile sperms in the short-interval second ejaculation were greater than those in the first ejaculation, and the differences were statistically significant(P<0.05). There were no significant differences in semen concentration, round cell concentration and non-forward motile sperm concentration between the two ejaculations(P>0.05). The curvilinear motion rate, the linear motion rate, the average path velocity, the whiplash frequency and the forwardness proportion in the short-interval second ejaculation were all greater than those in the first ejaculation, and the differences were statistically significant(P<0.05). Conclusion Short-interval second ejaculation can significantly improve semen quality and spermatozoon dynamic indicators, which has a certain clinical application value. |
| Key words: Short-interval second ejaculation Semen quality Motility parameters |
