Tag Archives: sperm

‘Old’ sperm produce healthier offspring, study finds

Sperm that live for longer before fertilizing an egg produce healthier offspring, according to new research from the University of East Anglia and Uppsala University in Sweden. The research, published in the journal Evolution Letters, shows that longer-lived sperm in … Continue reading

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A breakthrough in male infertility?

Scientists at Newcastle University in the UK report that they have solved the importance of a gene in regulating the production of fully functioning sperm. For the first time, they say, they have identified the role of a gene, RBMXL2, … Continue reading

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Duration of infertility linked to poor sperm quality, study finds

The longer a man is infertile, the lower his sperm count and other parameters of impaired sperm. That’s the conclusion in a BJU International study of 1,644 infertile men. Older age and higher body mass index were associated with a longer duration … Continue reading

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Researchers ID supplements that may improve sperm quality and fertility

Researchers in Spain and Mexico recently carried out the most extensive and systematic review to date of randomized clinical studies into the effects of different nutrients and dietary supplements on sperm quality and male fertility. After qualitatively analyzing the results … Continue reading

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Study: Children of men who smoke have 50% less sperm

Studies have repeatedly linked maternal smoking during pregnancy with reduced sperm counts in male offspring. A research team at Lund University in Sweden has discovered that, independently of nicotine exposure from the mother, men whose fathers smoked at the time … Continue reading

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Scientists create ‘digital roadmap’ to unlock male infertility

Millions of couples who have trouble conceiving may get relief from new research led by scientists at The University of Texas at San Antonio. The researchers have developed a high-resolution genetic map showing how men produce sperm cells. Their effort … Continue reading

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Father’s diet could affect sperm quality, long-term health of offspring

New research has shown that a lack of protein in a father’s diet affects sperm quality, which can have a direct impact on the long-term health of their offspring. Researchers published a report in PNAS showing that both sperm and the fluid … Continue reading

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Boxers or briefs? The choice may affect male fertility

Men who wear boxer shorts have higher sperm concentrations than men who wear tighter fitting underwear, according to new research published in Human Reproduction. The researchers also found that boxer shorts-wearing men had lower levels of follicle-stimulating hormone (FSH), compared to … Continue reading

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Can antioxidant supplements improve sperm quality?

It appears not. Despite many study results suggesting that antioxidants have a positive effect on abnormal sperm parameters associated with male infertility, a large US clinical trial of 174 couples has found that an antioxidant formulation taken daily by the … Continue reading

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New discovery shows how men may contribute to infertility

A new study at the University of Toledo shows that a father donates not one, but two centrioles through the sperm during fertilization, and the newly discovered sperm structure may contribute to infertility, miscarriages and birth defects. The centriole is … Continue reading

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