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A longitudinal study of semen quality among Chinese sperm donor candidates during the past 11 years
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 r...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7329839/ https://www.ncbi.nlm.nih.gov/pubmed/32612270 http://dx.doi.org/10.1038/s41598-020-67707-x |