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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