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Latest Sperm Stories

2009-06-30 14:40:44

Daily sex -- or ejaculating daily -- for seven days improves men's sperm quality by reducing the amount of DNA damage, an Australian researcher found. Dr. David Greening, an obstetrician and gynecologist at Sydney IVF in Wollongong, Australia, studied 118 men who had higher than normal sperm DNA damage as indicated by a DNA Fragmentation Index. Men who had more than 15 percent of their sperm damaged were eligible for the trial. At Sydney IVF, sperm DNA damage is defined as less than 15...

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2009-06-29 13:10:00

Men who spend more time riding a bicycle are increasing their chances of damaging their sperm, according to new research. Previous studies have found a link between cycling and low sperm quality. The recent study showed that triathletes who rode more than 186 miles each week had less than 4 percent normal looking sperm. Professor Diana Vaamonde, from the University of Cordoba Medical School, Cordoba, Spain, presented the new findings at the annual conference of the European Society of Human...

2009-06-22 07:15:00

Technology Intended to Improve Outcome of Intrauterine Insemination and In Vitro Fertilization Procedures LA JOLLA, Calif., June 22 /PRNewswire-FirstCall/ -- Cordex Pharma, Inc. (OTC Bulletin Board: CDXP) announced today that it has entered into an agreement with Clinical Trials International, LLC, (CTI), regarding a license to develop and market Cordex's drug candidate, ATPotent(TM). ATPotent(TM) is a novel ATP-based drug candidate designed for in vitro (outside of the human body)...

2009-06-18 15:16:39

In the competition for a partner, males typically have to vie with each other "“ be it with a colorful plumage, a large set of antlers or a seductive courtship dance. The females of some species, however, copulate with several males, so that rivals even after mating are still not defeated. So their sperm become rivals. Because greater size can increase the chance of fertilization, in some species truly giant sperm cells have evolved "“ some grow to be even larger than the male...

2009-06-02 09:52:49

Low antioxidant intake is associated with low reproductive capacity in semen. This is the finding of a new study carried out in two infertility centres in Alicante and Murcia, and which has been published online in the journal Fertility and Sterility."Our previous research study, published in March, showed that men who eat large amounts of meat and full fat dairy products have lower seminal quality than those who eat more fruit, vegetables and reduced fat dairy products. In this study, we...

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2009-04-10 08:00:00

University of Nevada School of Medicine researcher leads important discoveryUniversity of Nevada School of Medicine scientists in the Department of Physiology and Cell Biology have discovered insight into the reproductive workings of the male sex chromosome that may have significant implications for male infertility and contraception.This important discovery has been published in Nature Genetics, one of the highest-ranking journals in the field of biomedical research based upon the impact...

2009-03-26 09:55:00

In contrast to women, men are fertile throughout life, but research at the Sahlgrenska Academy, University of Gothenburg, Sweden, has now shown that a fertilising sperm can get help from the egg to rejuvenate. The result is an important step towards future stem cell therapy.The risk of chromosomal abnormalities in the foetus is highly correlated to the age of the mother, but is nearly independent of the age of the father. One possible explanation is that egg cells have a unique ability to...

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2009-03-18 08:59:54

University of Montreal and Maisonneuve-Rosemont Hospital Research Center study published in the journal Molecular Human Reproduction New treatments for infertility could be closer to reality, thanks to a discovery from scientists at the Universit© de Montr©al and Maisonneuve-Rosemont Hospital Research Centre. According to a study published in the journal Molecular Human Reproduction, the researchers have become the first to clone, produce and purify a protein important for sperm...

2008-12-01 18:58:09

A Dutchman known as Europe's most committed sperm donor says he's fathered 46 children and is willing to keep at it. I do it because I know how hard it is for people who desperately want a child, said Ed Houben, a tourism guide from Maastricht. One of the reasons Houben is so popular, he said, is because many men stopped donating sperm three years ago when the United Kingdom said donors no longer could remain anonymous, The Sun reported Monday. As a result, British women are going to other...

2008-10-29 09:00:36

LA JOLLA, Calif., Oct. 29 /PRNewswire-FirstCall/ -- Duska Therapeutics, Inc. (BULLETIN BOARD: DSKA) announced today that it has entered into a series of agreements to acquire exclusive worldwide rights from several inventors to develop and commercialize technologies relating to the use of adenosine 5'-triphosphate (ATP) to improve motility of human and animal sperm. ATPotent is a novel ATP-based sperm processing medium designed to reduce failure rates of in vitro fertilization (IVF) and...