Trends in sperm quality by computer-assisted sperm analysis of 49,189 men during 2015-2021 in a fertility center from China.

Yanquan Li,Tingting Lu,Zhengmu Wu,Zhengquan Wang, Ting Yu,Hanshu Wang,Chunhua Tang,Yuchuan Zhou

Frontiers in endocrinology（2023）

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摘要

The semen parameters declined, whereas the kinematic parameters increased over the recent years. We propose that, although sperm count and motility declined over time, sperm motion velocity increased, suggesting a possible compensatory mechanism of male fertility.

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关键词

sperm quality, temporal trends, computer-assisted sperm analysis, kinematic parameters, multiple linear regression model

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