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Table 1 Advantages and disadvantages of the conventional swim-up method.

From: Sperm preparation for ART

Advantages

Disadvantages

- easy to perform

- restricted to ejaculates with high sperm count and motility

- very cost-effective

 

- usually recovery of a very clean fraction of highly motile spermatozoa

- low yield

 

- spermatozoa can be massively damaged by reactive oxygen species

 

- significant decrease of the percentage of normally chromatin-condensed spermatozoa