News tagged with semen

Study confirms that sperm quality decreases with age

Conflicting evidence about the extent to which men's semen quality declines with age—likely lowering their fertility—is being cleared up by new University of Otago research that has collated and reviewed ...

Dec 01, 2014
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Stress degrades sperm quality

Psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg, according to a study led by researchers Columbia University's Mailman ...

May 29, 2014
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Male infertility linked to mortality

Men who are infertile because of defects in their semen appear to be at increased risk of dying sooner than men with normal semen, according to a study led by a researcher at the Stanford University School of Medicine.

May 16, 2014
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US fertility clinic mix-up brings calls, questions

The suspect is dead, the fertility clinic where he reportedly replaced a customer's sperm with his own no longer operates, and the clinic left no records that might show the extent of the scandal, the University of Utah said ...

Jan 14, 2014
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Study details paired risk factors in preeclampsia

Although preeclampsia occurs in about 3 percent of pregnancies, it's still unforeseen in many cases. A report of new research, now in press at the Journal of Reproductive Immunology, documents how two distinct risk factor ...

Sep 10, 2013
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