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What are the consequences of having abnormal sperm in your semen?

By Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 12/21/2021

Teratozoospermia causes male infertility due to a sperm factor. In the first place, sperm that are out of proportion or strangely shaped cannot travel properly, making it more difficult for them to reach the egg in the woman’s fallopian tube.

On the other hand, once they have reached the egg, at least one sperm must be able to penetrate it for fertilization to take place. Abnormalities in the head of sperm can make this action difficult.

Finally, sperm with teratozoospermia may be capable of giving rise to a pregnancy, but then the woman will suffer repeated miscarriages due to genetic alterations that are associated with some abnormal sperm.

Depending on the type of teratozoospermia (mild, moderate or severe), achieving the natural pregnancy will be more or less difficult.

It should be noted that infertility problems are more pronounced when teratospermia is diagnosed in combination with another seminal alteration, such as sperm concentration or sperm mobility. These pathologies are known as oligoteratozoospermia and astenoteratozoospermia, respectively.

Read the full article on: What Is Teratozoospermia? – Causes & Treatment ( 48).
 Zaira Salvador
Zaira Salvador
B.Sc., M.Sc.
Embryologist
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
Embryologist. Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI) License: 3185-CV.