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How is sperm vitality assessed?

How is sperm vitality assessed?

The eosin test will stain dead sperm, i.e. those with a damaged membrane, with a violet/purple color, whereas normal live sperm will exclude the eosin stain and appear with a white color.

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By BSc, MSc (embryologist) and BA, MA (fertility counselor).
Last Update: 12/05/2018
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