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Diagnosis of cryptozoospermia
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Diagnosis of cryptozoospermia

Oftentimes, when the andrologist examines a sperm sample to evaluate the quality, finds that the sperm count is zero under the microscope. However, two explanations are possible behind this situation: on the one hand, that the sperm count is actually zero, or on the other hand, the the number of sperm is so low that cannot be seen microscopically.

In the latter case, sperm centrifugation is a technique that allows us to see this reduced number of sperm, as it causes them to travel to the bottom of the tube, if any. Thanks to it, the sample will be diagnosed with cryptozoospermia instead of azoospermia, since some sperm are present in the sample.

By BSc, MSc (embryologist) and BA, MA (fertility counselor).
Last Update: 04/23/2018
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