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Spermatozoa staining for vitality test
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Spermatozoa staining for vitality test

The eosin test marks dead spermatozoa, with damaged membrane, violet/purple. On the other hand, live spermatozoa remain white, since their membrane is intact and cannot penetrate the dye.

The man should obtain the semen sample by masturbation, maintaining a period of abstinence of approximately 3-5 days for the results to be reliable.

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By (embryologist), (embryologist), (embryologist), (gynecologist) and (psychologist).
Last Update: 02/28/2022