This is a sperm-preparation technique designed to select sperm that are not damaged or programmed to die (apoptic sperm cells) so that this sperm can be used in assisted reproductive techniques, thus increasing potential for fertilization
What does it involve?
MACS makes it possible to immunomagnetically select sperm that has intact DNA. Healthy sperm is separated from sperm that is dead or has fragmented DNA.
When is it recommended?
When it is suspected that DNA fragmentation in sperm is substantially linked to poor outcomes reached with prior assisted reproductive techniques.
How effective is it?
MACS, which separates healthy sperm from damaged sperm, has been shown in some studies to increase the success rate by up to 10-15%.
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