sperm
Male Fertility Worsens With Age Just Like Women's: Study
The study involved 1,506 couples struggling to conceive.
A Gene Linked to Unexplained Male Infertility Has Been Discovered
Infertility is one of the most common problems for young people, affecting between 10 to 15 percent of couples.
Court Rules Mother Cannot Use Dead Son's Sperm to Make Grandkids
The European Court of Human Rights said Dominique Petithory Lanzmann does not have legal standing to bring her late son's sperm to a fertility clinic in Israel so it can be implanted in eggs to make her grandchildren.
Clitoris Isn't Just for Female Pleasure. It Also Helps With Reproduction
The research could change our understanding of the female anatomy.
Fertility Doctor Who Used Own Sperm to Inseminate Patients Struck Off
"I felt dirty, almost as if I'd been raped," one victim said of the actions of Ottawa doctor Bernard Norman Barwin.
Worm Species Only Produces Males for Their Sperm
Females use sperm to activate eggs, but then produce clones of themselves.
Parents Allowed to Collect Sperm From Son Killed Skiing
Monica and Yongmin Zhu from California raced against the clock to retrieve some of their son Peter's genetic material after he died.
Smoking Cannabis Linked to Higher Sperm Count
Researchers studied men who had visited fertility clinics.
Fertility Doctor Sued For Impregnating Patient
Peter and Cheryl Rousseau filed a lawsuit in Vermont's federal court accusing Dr. John Boyd Coates, III and the fertility clinic for duping them.
Male Birth Control Gel to Get Clinical Trial
The gel is rubbed onto a man's back or shoulders and, in theory, should drop sperm count to prevent pregnancy.
British Sperm Banks Might Dry Up After No-Deal Brexit
The U.K. imports thousands of sperm samples from Europe each year, and a no-deal Brexit could see supplies could decrease quantities.
Which Underwear Is Best for Sperm Count? Study
Researchers built on existing evidence suggesting heat can affect a man's sperm count.
Italian Lesbian Cannot Register Baby From Sperm Donor
The Italian system does not offer artificial insemination to lesbian parents and registering a child may require the mother to lie that she had sex with a man.
Sperm, Bone Marrow Are the Newest Cargo on the ISS
Sperm was among the hundreds of things SpaceX sent to the International Space Station.
Hannity: Obama Portrait Artist Used 'Sexual Innuendo'
Sean Hannity has floated his latest conspiracy theory about the former president.
Sperm Made by Scientists Could Replace the Real Thing
An important breakthrough meets a critical requirement for creating lab-grown sperm.
Fertility a Problem with Rates Continuing to Decline
Why are Americans having less kids?
Air Pollution Might Be Causing Sperm to Shrink
Air pollution is so widespread it might be related to infertility for a "significant number of couples," according to the researchers.
Sperm Passes on a Father's Stress by Changing Its Genes
Stress can be hereditary, but new research suggests it doesn't have to be.
Eggs Get A Choice Of Sperm In Sea Urchin Sex
The process can lead to the creation of whole new species.
Is Alex Jones Pushing Lead-Tainted Products?
Laboratory testing has confirmed the presence of lead, a toxic heavy metal, in two supplements sold by Infowars.
Sperm Count in Western Men Has Halved Since the 1970s
Low sperm count is also associated with health problems, including high risk of cancer and heart disease.
We Are Edging Closer to Producing Space Babies
Mouse sperm was freeze-dried and sent to the International Space Station for 288 days before being used to produce healthy pups on Earth.
Male Infertility Could Have Other Health Consequences
A study has found that men with poor semen quality often have lower testosterone levels, increasing their susceptibility to common diseases as they grow older.
Sperm Makes Female Fruit Flies Aggressive After Sex
The findings could potentially shed light on the behavior of other animals where female aggression is high.
Florida Sperm Donations May Contain Zika Virus
The CDC has warned people to avoid using sperm from three Florida counties.
Dutch IVF Clinic Investigates Suspected Sperm Mix-Up
Due to an error, 26 women's eggs may have been fertilized by sperm from someone who isn't the "intended father."
Getting a Fecund Chance
More Israeli men are freezing their sperm before going off to war, and a growing number of parents are extracting semen from their loved ones after their deaths.
Scientists Grow Sperm in a Dish
The experimental procedure proved successful in mice, and could resolve male infertility.