Sperm selection
is essential to Assisted Reproductive Technology (ART), influencing treatment
outcomes and the health of the resulting offspring.
Several
techniques have been developed to recover a homogeneous population of highly
motile sperm cells, including centrifugation gradients, swim up and filtration
procedures.
It is known that
the head of spermatozoa has a negative electric charge, and several
studies have tried to use this physiological characteristic for the
selection of high quality motile sperm from frozen-thawed semen. The study aim
was to design a device that would be able to separate viable, high quality
sperm for IVF after thawing, using electrical characteristics of sperm.
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