sperm – News Stories About sperm - Page 5

Sep 10, 2008 1:12 PM CDT

Would-Be Dads Have Ticking Clock, Too

Men's age can affect ability to conceive earlier than women's

(Newser) - When a couple has trouble conceiving, don't necessarily blame the woman and her limited supply of eggs—men's fertility starts dropping even before women's, Time reports. In addition to fecundity issues, older men also risk siring children with higher rates of autism, schizophrenia, Down syndrome and bipolar disorder. Male fertility...

FDA Rules Block Import of Prized Danish Sperm

Aug 13, 2008 7:37 AM CDT

FDA Rules Block Import of Prized Danish Sperm

US running low on popular 'Viking' sperm, barred by Mad Cow safeguards

(Newser) - FDA rules banning European sperm imports are driving some would-be American mothers to desperation, the Washington Post reports. Sperm from Danish donors used to be a popular import. But regulations to safeguard the US from a human form of Mad Cow disease have shut down the supply and sperm banks...

Are You Hanging Up on Fertility?

Feb 25, 2008 3:00 PM CST

Are You Hanging Up on Fertility?

Study finds link between cellphones and infertility

(Newser) - Men may want to be sure their unlimited minutes include calls to the urologist, USA Today reports, because a new study shows a possible link between cellphone use and male infertility. Researchers split 361 men under 40 into groups divided by amount of daily cell use and found the 4-plus-hours...

Viagra Linked to
Reduced Fertility

Feb 24, 2008 6:32 AM CST

Viagra Linked to Reduced Fertility

New concern for fertility clinics that provide drug to male partners

(Newser) - Popular sexual potency drug Viagra has been linked to sperm effects so dramatic that it could seriously affect male fertility, researchers have discovered. The findings are particularly troubling because in-vitro fertilization clinics often provide Viagra to men to increase sperm production. The new studies show that while Viagra increases sperm...

'Toxic Sperm' Linked to
Child Ills

Feb 19, 2008 2:50 AM CST

'Toxic Sperm' Linked to Child Ills

Gene material in sperm may be hurt by heavy drinking, smoking: study

(Newser) - Men who smoke or drink heavily may transmit genetic abnormalities through their damaged sperm, leading to child health complications, miscarriages or stillbirth, researchers have found. The effects of environmental toxins on paternal health—long held to be far less important than that of mothers—may play a crucial role in...

UK Military Wives Freezing Husbands' Sperm

Feb 17, 2008 7:35 PM CST

UK Military Wives Freezing Husbands' Sperm

More women planning for kids should husbands die in combat

(Newser) - More UK military wives are freezing their husbands' sperm before the men serve in the Middle East. One London fertility clinic expected interest from soldiers but was surprised by the "wives and girlfriends who want to have children should anything happen," a spokesman said. But servicemen must give...

Sperm Donation Not
'Taxable Labor' for Danes

Feb 6, 2008 7:12 AM CST

Sperm Donation Not 'Taxable Labor' for Danes

Sperm banks warned identity disclosure would kill the thriving exports

(Newser) - The Danish government has thought better of a plan to tax earnings from sperm donation just as it taxes any other job, Der Spiegel reports. The catch is that it would have required donors to disclose their identities, which sperm banks said would drive away 93% of their business. It...

Quality Sperm Demand
More Sex

Oct 16, 2007 3:41 PM CDT

Quality Sperm Demand More Sex

Docs tie frequent activity to reduced genetic defects

(Newser) - Conventional wisdom says daily sex reduces the chance of success for couples trying to conceive, but conventional wisdom may be very wrong. A small Sydney University study found men with damaged sperm actually improved its quality by producing it on a daily basis for a week. Abstaining does increase quantity,...

Salmon Made
to Bear Trout

Sep 14, 2007 6:36 PM CDT

Salmon Made to Bear Trout

Success shows sterile animals could become surrogates for extinct species

(Newser) - Cue the world’s most peculiar baby announcement: Masu salmon have produced rainbow trout offspring, with an assist from scientists that could lead to the preservation of rare fish species. Trout sperm stem cells had already been injected into salmon embryos to produce salmon with trout sperm; now the same...

Sperm Made From Bone Marrow

Apr 13, 2007 8:54 AM CDT

Sperm Made From Bone Marrow

Scientists may be able to produce sperm from women's bone marrow

(Newser) - Scientists are getting closer to removing men from the conception equation, announcing yesterday that they have produced early-stage sperm cells from male bone marrow. Now the team of British researchers is seeking ethical approval to try the same thing with women.