Sperm on Prep

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Sperm Preparation

In order to perform the insemination to oocytes the sperm has to be processed (washed). The process includes a filtration through density gradients with washes using culture media. From the total of spermatozoa included in a semen sample only a fraction is recovered. This fraction shows a very good motility (fast forward swimming) suitable for in-vitro fertilization or ICSI. In this video few spermatozoa are swimming across the counting chamber.