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Low sperm count may be associated with prenatal testosterone excess
Sep 23, 2008 |
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Exposure to an excess of sexual steroids, like testosterone, during fetal development may be a potential risk factor for low sperm count and motility, according to a new study accepted for publication in Endocrinology, a ...
Beef may cause lower sperm count
Mar 28, 2007 |
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A study has revealed that women who eat beef regularly during pregnancy are more likely to produce sperm-deprived sons.
Quality control mechanism tags defective sperm cells inside the body
Biology /
Jan 23, 2008 |
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Defective sperm cells do not pass through the body unnoticed. A new University of Missouri study provides evidence that the body recognizes and tags defective sperm cells while they undergo maturation in the epididymis, a ...
New Sperm shaker set to improve IVF success rates
Jan 19, 2009 |
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Scientists have developed a ground-breaking method for testing the quality of a sperm before it is used in IVF and increase the chances of conception.
Study: Cell phones reduce sperm counts
Oct 24, 2006 |
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A study debuted in New Orleans has suggested that electromagnetic radiation from cell phones may have an effect on a man's sperm count.
Israeli sperm bank posts diminishing returns
May 11, 2009 |
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Wall Street giants are not the only banks hit by diminishing assets. New research for an Israeli sperm bank shows that depositors are 40 per cent less fertile than a decade ago, the Haaretz daily reported.
Taiwan scientists develop sperm 'efficiency' kit
Sep 17, 2009 |
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Scientists in Taiwan said Thursday they have invented a male fertility home test kit that breaks new ground by measuring the efficiency of sperm cells -- a key factor in determining men's ability to father children.
Male painters exposed to fertility damaging chemicals
May 23, 2008 |
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Men working as painters and decorators who are exposed to glycol ethers are more likely to have poor semen quality, according to research carried out by scientists from the Universities of Sheffield and Manchester.
French woman asks court for dead husband's sperm
Sep 23, 2009 |
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A 39-year-old widow asked a French court Wednesday to allow her to retrieve her late husband's frozen sperm so that she can be inseminated and have his child.
First at-home test for vasectomized men proves to be safe, accurate
Nov 13, 2008 |
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In a report now available online and scheduled to be the cover story of the December 2008 issue of the Journal of Urology, University of Virginia Health System researcher John C. Herr, PhD and his colleagues have confirmed the ac ...
Couples to rely on male contraceptive for new trial
May 20, 2009 |
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(PhysOrg.com) -- Couples are being asked to replace their usual form of birth control with a new male contraceptive in a study to test its effectiveness.
Solving the mystery of what puts sperm 'in the mood'
Apr 08, 2009 |
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In a potential advance toward a male contraceptive pill and new treatments for infertility, researchers are reporting the identification of key biochemical changes that put sperm “in the mood” for fertilization.
Scientists announce mouse sperm cryopreservation breakthrough
Biology /
Jul 30, 2008 |
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A team of Jackson Laboratory scientists have figured out a simple, cost-effective process to freeze mouse sperm and get it to achieve high fertilization rates with mouse eggs. The breakthrough will greatly reduce the cost ...
Sperm may play leading role in spreading HIV
Medicine & Health / HIV & AIDS
Oct 26, 2009 |
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Sperm, and not just the fluid it bathes in, can transmit HIV to macrophages, T cells, and dendritic cells (DCs), report a team led by Ana Ceballos at the University of Buenos Aires in Argentina. By infecting ...
Sea sponges busted by researchers
Mar 31, 2009 |
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(PhysOrg.com) -- When it comes to sex, sea sponges are certainly not monogamous. But, thanks to a project based at the Heron Island Research Station, UQ researchers will uncover whether the marine animals are partaking in ...
