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Archivos Españoles de Urología (Ed. impresa)
versión impresa ISSN 0004-0614
Resumen
CARDONA MAYA, Walter. Sperm count: Do we need a new reference value?. Arch. Esp. Urol. [online]. 2010, vol.63, n.2, pp.133-138. ISSN 0004-0614.
Objectives: To evaluate the sperm count in fertile men, general population, and infertile men in different regions of the world. Methods: Sperm counts were recorded according to their fertility status, proven fertility, men recruited from an andrology/infertility clinic, or healthy men Results: The average of sperm count in the different studies is lower in infertile men that in fertile men (p>0.001) and in the general population (p>0.001). Conclusion: Based on this analysis the normal sperm count is about 65 million per mL. Using these reference value, only the 25% of the studies in infertile men are above this value, and the 75% studies with fertile men (>65 x 106 sperm/mL).
Palabras clave : Spermatozoa; Sperm count; Reference value; Semen quality.