A Man Who Makes Babies–Lots of Babies–But Lives Alone

People who want to start a family but have, for whatever reason, a problem with the sperm half of the equation have options. There are in-vitro methods that get sperm right next to or injected directly inside an egg. There are sperm banks. Some people have friends who are willing to be sperm donors. And the internet… »10/06/15 3:30pm10/06/15 3:30pm

Menopause May Be the Evolutionary Origin of Romantic Relationships -- And Cheating

Menopause is one of the oddest features of human reproductive biology. Not the hot flashes or the forgetfulness, but the fact that older women lose the ability to have babies. Now researchers say that once it appeared, menopause may have had a ripple effect on human mating that helped create the human pair-bond. »9/08/15 4:50pm9/08/15 4:50pm

We Still Don't Know Why Men Find Ovulating Women More Attractive

Are you in a public place? Look around. Can you tell whether any of the women you see are ovulating, just by looking at them? Neither can anybody else. But several small studies have suggested that men nevertheless find women’s faces more attractive when they’re most fertile. No one knows what signals the men are… »7/01/15 7:00pm7/01/15 7:00pm

How Do Testicles Know When To Stop Making More Sperm?

Every time someone ejaculates, it produces millions of sperm. But the average pair of testicles produces billions of sperm cells over an entire lifetime. Why don’t they create all of their sperm in one go? Answer: Because testicles have a complicated process to avoid running out of sperm and endangering future… »5/04/15 4:06pm5/04/15 4:06pm

Only about 2000 babies have been born using cryogenic egg freezing

Egg freezing is about as hot as a women's reproductive topic can get. But it's also extremely rare: Only about 2000 humans currently populating the planet can thank this method for their existence. It's a number that's surprisingly low for a procedure that's being so heavily hyped by HR departments and fertility… »3/20/15 7:15pm3/20/15 7:15pm

Egg Freezing Shindigs Are Apparently the New Tupperware Parties

Egg freezing, the nebulous scientific concept that allows families to conceive at their convenience, is getting plenty of attention lately. Now there are even social events women can attend to learn more about this procedure, which is being touted as a way to potentially transform their careers. Behold: The… »11/11/14 6:20pm11/11/14 6:20pm

These Thermometers Make an Unreliable Birth Control Method Less Sketchy

Women have been manually tracking their cycles for centuries. You've likely heard the terms "rhythm method" or "natural family planning" from older generations; today, it's the more scientifically informed "fertility awareness." But as far as birth control options go, monitoring certain health cues to help women… »10/08/14 10:04am10/08/14 10:04am

Making Designer Babies Was Supposed to Be Just Like Shopping for Seeds

Fears over "designer babies" were common long before we understood the science of genetics well enough to actually produce them. For many, the idea of predetermining a child's eye color or trying to influence their intelligence or athletic prowess through genetics is the very definition of dystopia. It probably… »11/21/13 4:10pm11/21/13 4:10pm

One Egg Created From Two Mothers Could Prevent Genetic Disorders

Scientists at the Oregon National Primate Research Center have discovered a crazy sci-fi way to possibly prevent genetically-inherited diseases. This sounds pretty unbelievable, but they actually combine the eggs from two different mothers to create one single stronger egg. It already works for mama monkeys; and it… »10/25/12 3:20pm10/25/12 3:20pm

DuoFertility Patch Measures Ovulation Timing, No Pee Samples Needed

Finding out when you're ovulating (assuming, you're among the Giz readership with ovaries, and trying to have a baby) may be a lot easier thanks to this upcoming DuoFertility device. Designed by Cambridge Temperature Concepts, a spin-off by Cambridge University PhD students, it consists of a small stick-on patch… »6/09/08 7:44am6/09/08 7:44am

Test-Tube Babies Start Inside Mom, Thanks to Anecova Silicon Womb

Human trials are about to begin on a new device that goes inside a woman's body for up to four days, holding fresh IVF embryos in place like an artificial fallopian tube. Developed by Swiss company Anecova, the 5mm-long "silicon womb" is pierced with hundreds of 40-micron holes, the better to expose the embryos to the… »2/27/08 12:45pm2/27/08 12:45pm

Samsung Files Patent for Safe (ie Non-Baby) Sex Cell Phone

A cell phone that lets lay-deez know if they're running a higher-than-normal chance of getting pregnant is the latest idea from Samsung. The Korean electronics giant has filed a patent with the US Patent & Trademark Office for a "portable device for user's basal body temperature (BBT) and method for operating the… »8/16/07 12:30pm8/16/07 12:30pm