Diseases, Conditions, Syndromes

Risk of Zika infection through sex may last only a month

Signs of Zika infection can be seen in semen for as long as nine months, but the risk of sexual transmission appears to end in one month, according to a study published Wednesday.

Medical research

A handsome face could mean lower semen quality

Contrary to what one might expect, facial masculinity was negatively associated with semen quality in a recent Journal of Evolutionary Biology study.

Obstetrics & gynaecology

A pack of walnuts a day keeps the fertility specialist away?

A paper published 15 August 2012 in Biology of Reproduction's Papers-in-Press reveals that eating 75 grams of walnuts a day improves the vitality, motility, and morphology of sperm in healthy men aged 21 to 35.

Health

Vitamin D increases speed of sperm cells

Vitamin D is important for optimal reproductive function in both animals and humans. It has long been known that serum vitamin D level is important for reproductive function in various animals, but now researchers from the ...

Diseases, Conditions, Syndromes

Evidence suggests COVID-19 isn't sexually transmitted

COVID-19 is unlikely to be spread through semen, according to University of Utah Health scientists who participated in an international study of Chinese men who recently had the disease. The researchers found no evidence ...

Diseases, Conditions, Syndromes

Ebola detected in semen of survivors two years after infection

Ebola virus RNA can persist in the semen of survivors more than two years after the onset of infection researchers at the University of North Carolina at Chapel Hill have found. The research team, which included investigators ...

Health

New test measures men's fertility

At a time when more than half of male infertility cannot be explained by current methods, a new test developed by Androvia LifeSciences is able to measure male fertility. The proprietary Cap-Score Male Fertility Assay is ...

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