Condoms and vasectomies are so yesterday. Researchers are working on a way to zap sperm to control male fertility.
Infertility
Boy or Girl? Why Dads Want Sons, but Moms Want Daughters
Women strongly prefer daughters while men wants sons, a study finds. Could this lead to sex selection?
U.S. Birth Rates Hit Record Lows: Is It the Economy?
(Updated) Better birth control? No, it’s the bad economy. The national birth rate dropped for the third straight year, down another 3% in 2010, and experts say it’s because women fear they can’t afford the cost of kids.
The Sperm Bike: Cycling to Drum Up Sperm Donations
It’s not every day that you see a really large sperm on a really large bike. But starting next week, it’s going to become commonplace — at least in Seattle.
Is Sperm from Redheads Really Less Desirable?
Redheaded men are probably feeling a little hurt this week in light of news that one of the world’s largest sperm banks is up-to-here and has stopped accepting their gametes.
Review: Aspirin Doesn’t Increase Chances of Pregnancy With IVF
Taking aspirin during fertility treatment does not increase women’s chances of conceiving, according to a new review of the research.
Scientists Restore Fertility in Mice Using Lab-Generated Sperm
Japanese scientists successfully restored fertility in sterile mice using sperm cells that were originated in the lab, reports a new study in the journal Cell. The research promises to help scientists better understand fertility …
Where Do (Some) Babies Come From? In Washington, a New Law Bans Anonymous Sperm and Egg Donors
Traditionally, the identities of egg and sperm donors have been tightly guarded secrets, numbers with no names attached, making it difficult for their biological offspring to ever make contact. Today, that changes as Washington …
Sperm Gene May Explain Some Male Infertility
A mutation in a gene for a sperm-related protein found in 20% of men may be responsible for a significant proportion of unexplained male infertility, according to a new study.
Less-Educated Women Have More Children. Or Is It the Other Way Around?
It makes sense that education would impede childbearing. In nearly every country, women with more education tend to have fewer children than less-educated mothers. But new research suggests it may actually work the other way …
Is He Gay? Ovulating Women Can Tell
Ovulation is a really useful biological function. Not only does it facilitate pregnancy — though sperm are in no short supply, the ephemeral egg appears just once a month — but new research finds that it also helps a woman …
North Carolina Mulls Compensating Victims of Forced Sterilization
Having a baby is a widely anticipated milestone for many adults, so it’s easy to imagine the shock endured by thousands of people who were forcibly sterilized by the government beginning before World War II. Now, North Carolina …
Should Men Be Allowed to Father Children After They’re Dead?
Fertility-treatment innovations mean that all sorts of people who would not have been able to have a baby a generation ago are now able to bring life into the world. Now, some are arguing the ranks of the newly fertile should …
