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A longitudinal study of semen quality among Chinese sperm donor candidates during the past 11 years

1 Jul 2020

Abstract excerpt

Studies suggest that semen quality is declining globally, however, the debate remains open due to the possible effects of ethnic and geographical differences. This study aimed to explore whether semen quality of sperm donor candidates has changed in Henan Province, China from 2009 to 2019. In this retrospective study, we included 23,936 sperm donor candidates who were recruited by the Henan Human Sperm Bank of...

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PMID: 32612270
DOI: 10.1038/s41598-020-67707-x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.

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