Semen Quality Current Events | Semen Quality News
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Obese men have less semen, more sperm abnormalities, and should lose weight before trying for a baby
Obese men should consider losing weight if they want to have children, a scientist told the 24th annual conference of the European Society of Human Reproduction and Embryology. view more (2008-07-09)
US researchers sound warning note over postponing fatherhood - new findings confirm male fertility declines with age
Further evidence that men's fertility declines with age is reported today (Thursday 6 February) in Human Reproduction[1] - Europe's leading reproductive medicine journal. A study of 97 healthy non-smoking men aged from 22 to 80 has demonstrated that, as they age, men's semen quality declines. There was a continuous reduction in sperm motility... view more... (2003-02-02)
Study of Scottish Male Reproductive Health
A group of scientists and doctors from the Medical Research Council's Reproductive Biology Unit in Edinburgh are collaborating with colleagues in Public Health Sciences, The University of Edinburgh, in a study which forms part of a three year research programme on male reproductive health, jointly funded by the UK Department of Health, Department... view more... (1999-09-07)
First live rhinoceros birth from frozen-thawed semen
There may be less than 20,000 rhinoceros in the world, with one species perhaps already extinct and another with possibly only four animals remaining in the wild. view more (2008-11-13)
New research challenges advice that men should abstain from sex before fertility treatment
Madrid, Spain: New research by Israeli fertility experts has challenged current medical opinion, which holds that refraining from sex for up to a week at least is beneficial for men prior to undergoing some types of fertility treatment. Doctors and scientists from Soroka University and Ben-Gurion University of the Negev, Beer-Sheva, tested over... view more... (2003-06-27)
Faithful mothers have healthier babies
Faculty of 1000 reviewers examine a study from New Zealand on whether prolonged exposure to the father's semen protects new mothers against pre-eclampsia and having an undersized baby view more (2009-11-13)
Viagra may affect fertility
Researchers from Belfast reveal today that men who take Viagra when they are hoping to start a family could be affecting their fertility. A group lead by Dr Sheena Lewis at the Department of Obstetrics and Gynaecology at Queen's University Belfast have shown that while Viagra enhances sperm motility it also seems to speed up the 'acrosome... view more... (2004-03-31)
Maternal beef diet could impact sperm counts, UR study suggests
A mother's high beef consumption while pregnant was associated with lower sperm counts in her son, according to a study led by researchers at the University of Rochester. view more (2007-03-28)
Synthetic Cannabinoid May Aid Fertility in Smokers
A reproductive medicine specialist at the University at Buffalo has shown that a new compound may improve the fertility of tobacco smokers who have low sperm count and low percentage sperm motility. view more (2006-12-04)
Daily sex helps to reduce sperm DNA damage and improve fertility
Daily sex (or ejaculating daily) for seven days improves men's sperm quality by reducing the amount of DNA damage. view more (2009-06-30)
Human testis harbors HIV-1 in resident immune cells
Researchers have demonstrated HIV replication within resident immune cells of the testis, providing an explanation for the persistence of virus in semen even after effective highly active antiretroviral therapy. view more (2006-11-27)
For honey bee queens, multiple mating makes a difference
The success of the "reign" of a honey bee queen appears to be determined to a large degree by the number of times she mates with drone bees. view more (2007-10-09)
Diabetes linked to male infertility; excess sugars in the body have direct effect on sperm quality
Diabetes in men has a direct effect on fertility, a scientist told the 24th annual conference of the European Society of Human Reproduction and Embryology today. view more (2008-07-09)
Black-footed ferrets sired by males that died 8 years ago
Two black-footed ferrets at the Smithsonian's National Zoo have each given birth to a kit that was sired by males who died in 1999 and 2000 view more (2008-09-03)
First step towards a non-invasive screening test for early signs of testicular cancer
Researchers in Denmark have discovered a way to detect early signs of testicular cancer before it has started to spread. Their findings are the first step towards developing a simple screening test for men at risk of the disease. view more (2005-02-28)
Baby born from sperm frozen for record 21 years
UK researchers writing in Europe's leading reproductive medicine journal Human Reproduction[1], today (Tuesday 25 May) report what they believe to be a world record - a baby born using sperm that had been frozen for 21 years. "We believe this is the longest period of sperm cryopreservation resulting in a live birth so far reported in the... view more... (2004-05-23)
High levels of cycling training damage triathletes' sperm
The high-intensity training undertaken by triathletes has a significant impact on the quality of their sperm. view more (2009-06-30)
An atomic-level look at an HIV accomplice
Since the discovery in 2007 that a component of human semen called SEVI boosts infectivity of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in hopes of thwarting its infection-promoting activity. view more (2009-11-20)
An HIV-blocking gel for women
University of Utah scientists developed a new kind of "molecular condom" to protect women from AIDS in Africa and other impoverished areas. Before sex, women would insert a vaginal gel that turns semisolid in the presence of semen, trapping AIDS virus particles in a microscopic mesh so they can't infect vaginal cells. view more (2009-08-10)
First research to show that diabetes damages DNA in men's sperm and may affect fertility
Scientists have found that sperm from diabetic men have greater levels of DNA damage than sperm from men who do not have the disease. They warn that such DNA damage might affect a man's fertility. view more (2007-05-03)
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