Assertion: semen's sperm | /r/HasProperty | many millions of sperm
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text: For example, it has been demonstrated that if a pooled semen sample (i.e. collected from many men and mixed together) is sent to enough labs, that some of the labs will report that no sperm are present even though there are many millions of sperm present - just by chance the sample of fluid taken from the main sample will not have any sperm!