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Table 4 Advantages and disadvantages of the glass wool filtration.

From: Sperm preparation for ART

Advantages Disadvantages
- simple to perform - a bit more expensive
- normally, recovery of spermatozoa with good motility - the filtrate is not as clean as it is with other sperm separation methods
- spermatozoa from ejaculates with a very low sperm density can be separated - remnants of debris are still present
- good yield  
- leukocytes are eliminated to a large extent  
- reactive oxygen species are significantly reduced