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| Investigation on semen quality of healthy males in Zhejiang area |
| Zhejiang Matermal Child and Reproductive Health Center，Hangzhou，310012 |
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Abstract Objective: To investigate and understand the distributed ranges of semen parameters in healthy males in Zhejiang area. Methods: We obtained semen samples form 1148 donor in Zhejiang human sperm bank, perform semen analyses according to the WHO 5th guidelines, and determined the semen volume, sperm concentration, sperm progressive motility，total sperm count and total progressively motile sperm count．We analyzed the semen parameters and get the distributed ranges．Results: In the semen quality indexes of healthy men in Zhejiang area. Semen volume. total sperm number. Sperm concentration and the rate of sperm with normal morphology exceed the standards of 5th percentile value in the WHO 5th edition. While the sperm progressive motility is below the standard. Conclusion: According to the results of this survey, the distribution of semen parameters of healthy males in Zhejiang area is different form the reference values of WHO 5th, Especially in the sperm progressive motility (PR).
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