Teratozoospermia (also called Teratospermia) is the production of morphologically abnormal sperm, which are often functionally deficient. According to WHO 2010, criteria when more than 96% of the sperms produced have morphological defects of the head, midpiece, or tail, then it is considered a case of teratozoospermia. If at least 4% of the sperm are morphologically normal, then the male is…
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