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Diabetes and Over/Underweight Linked to Male Infertility

Diabetes and Over/Underweight Linked to Male Infertility

Two reports at the European Society of Human Reproduction & Embryology annual conference in Barcelona, Spain have concluded that diabetics and over– or underweight individuals are more likely to suffer from male infertility.

According to an article published in, diabetes and extreme weight conditions can have a negative effect on sperm quantity and quality.


Clipped from:


While semen samples from diabetics look normal under the microscope, a closer examination revealed DNA damage, Dr. Con Mallidis, of Queen’s University in Belfast, Northern Ireland, said in a news release issued by the conference sponsors.

In the case of diabetes, significantly altered sperm RNA decreased the diabetic’s natural capacity to rebuild sperm’s damaged DNA.

Diabetics have a significant decrease in their ability to repair sperm DNA, and once this is damaged, it cannot be restored.”

The report also revealed that individuals that maintain optimal body weight produce higher semen volume and more sperm .


Obesity, which often plays a factor in diabetes, and being too thin, was also found to cause problems with sperm. In a separate study, scientists found that men with a higher body mass index (BMI, a ratio of weight to height) had less seminal fluid and more abnormal sperm.

To understand more on sperm and other factors that cause male infertility, visit  for more information.



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