89 per cent sperm b
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Abnormal Sperm Morphology
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1 Feb Both percent motile and percent progressively motile sperm were lower in men who . ; Ducot et al., ; Goldman and Montgomery, ; Olsen, ; Mathieu et al., .. bIncludes infections of the bladder and kidney.
Sperm Competition, Sperm Numbers and Sperm Quality in Muroid Rodents
A normal semen analysis must contain at least 50% grade A and B, . mucus interaction and the presence of more than sperm per high-power fields , .. Biochemistry of spermatozoa and seminal plasma; pp. 89– Tejada RI.
Description:Straight-line velocity VSL is the linear or progressive velocity of the cell. Abnormal semen values were defined from WHO standards: Semen microbiology and virology pp. Smoking cannabis can decrease sperm quantity. Thus, traits which are expensive in terms of energy or time may be traded-off against other traits which do not confer major competitive advantages. The age effects on sperm concentration and total count appeared to be driven by four azoospermic men over age 60 years.
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