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Teratozoospermia according to Kruger and WHO criteria
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Teratozoospermia according to Kruger and WHO criteria

Teratozoospermia is a sperm disorder characterized by problems in sperm morphology.

The World Health Organization (WHO) establishes reference values and a sperm sample must have at least 4% of normal-shaped spermatozoa to be considered a good sperm sample. However, if a sperm sample has more than 96% amorphous spermatozoa, the diagnosis will be teratozoospermia.

On the other hand, another classification of sperm samples is through the Kruger criteria. In this case, the seminal sample will be teratozoospermic if it contains more than 85% amorphous spermatozoa.

By BSc, MSc (embryologist), MD, MSc (gynecologist), (gynecologist), MD, PhD (gynecologist), BSc, PhD (senior embryologist), BSc, MSc (embryologist) and (invitra staff).
Last Update: 10/29/2020
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