Journal of Andrology Testis Workshop 2009
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Published-Ahead-of-Print August 27, 2009, DOI:10.2164/jandrol.109.009175

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Editorial: Challenging Assumptions about the Meaning of Sperm Concentration and Sperm Counts

Sally D. Perreault *

* To whom correspondence should be addressed. E-mail: darney.sally{at}epa.gov.

Whether you evaluate sperm every day, or read about it in the context of your work, or have been a patient yourself, you know that we generally consider sperm concentration and seminal volume the most fundamental indicators of semen quality. Dr. Rupert Amman asks us to question this underlying assumption in a series of three articles in the Journal of Andrology. Evaluating Spermatogenesis Using Semen: The Biology of Emission Tells Why Reporting Total Sperm per Sample Is Important, and Why Reporting Only Number of Sperm per Milliliter is Irrational. Rupert P. Amann. J Androl Published Ahead of Print 14 May 2009; DOI:10.2164/jandrol.108.006809; Total Sperm per Ejaculate of Men: Obtaining a Meaningful Value or a Mean Value with Appropriate Precision. Rupert P Amann and Phillip L Chapman. J Androl Published Ahead of Print 14 May 2009; DOI:10.2164/jandrol.108.006825; and Considerations in Evaluating Human Spermatogenesis on the Basis of Total Sperm per Ejaculate. Rupert P. Amann. J Androl Published Ahead of Print 14 May 2009; DOI:10.2164/jandrol.108.006817


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