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Teratozoospermia and fertilization failure

Teratozoospermia and fertilization failure

When a man has severe teratozoospermia, the chances of causing a pregnancy in the woman are very low due to the difficulties amorphous sperm encounter when attempting to reach the egg and fertilize it.

Firstly, abnormal sperm are unable to move progressively, and subsequently can't reach the egg in the Fallopian tube. Secondly, anomalies in the head of sperm prevent them from penetrating the egg coat and, if they achieve so, they may have trouble fusing their nucleus with the female nucleus. All this results in fertilization failure.

Read the full article on: ( 81).
By BSc, MSc (embryologist) and BA, MA (fertility counselor).
Last Update: 11/28/2018