British scientists have finally figured out how sperm is able to connect with an egg. The process is facilitated by a molecule dubbed Juno, a protein that allows sperm to dock to the surface of an egg. The discovery could introduce new fertility treatments and birth control. » 4/17/14 1:30pm 4/17/14 1:30pm

Mice that eat yogurt have bigger balls, exhibit "mouse swagger"

Researchers have shown that male mice that eat yogurt lug around bigger testicles, inseminate partners faster, and produce more offspring than those who don't. And yogurt-eating females give birth to larger and healthier litters. » 5/04/12 1:20pm 5/04/12 1:20pm

Gossypol, the Chemical Commonly Found in Cotton That is Also a Male…

We use cotton to make our clothes and underwear — but should we start using a chemical made by cotton to control how we use what is in our underwear? » 4/13/12 2:30pm 4/13/12 2:30pm

The secrets of throbbing mouse eggs

Researchers can now determine if newly-fertilized mouse eggs will produce healthy offspring simply by observing them. Their findings may have implications for improving the rate of conception in couples undergoing in vitro fertilization, many of whom can only afford to perform the expensive procedure once or twice. » 8/10/11 10:39am 8/10/11 10:39am

Natalie Portman's dad writes a novel about severed heads, stolen…

At one point in Misconception, the "fertility thriller" by renowned fertility specialist (and Natalie Portman's dad) Avner Hershlag, someone writes a letter to the First Lady that reads: » 4/29/11 11:54am 4/29/11 11:54am

Size really does matter for male fertility...just not the way you think

As far as male fertility is concerned, length really is important...except the length in question isn't the one you're thinking about. The crucial distance is actually the length between scrotum and anus. Yes, it's all about the taint. » 4/05/11 2:00pm 4/05/11 2:00pm

Want to know if a man is fertile? Check his bones.

For gentlemen only: Your fertility may be dictated by your skeleton. New research in mice has shown that there's a very strong link between the bone hormone osteocalcin, and the production of testosterone. Male mice with low levels of osteocalcin had small and infrequent litters compared to those with higher amounts… » 2/18/11 3:51pm 2/18/11 3:51pm

Woman Gives Birth A Second Time After Ovary Transplant

A Danish woman became the first woman on Earth to give birth to a second child after an ovary transplant — and the second child happened naturally, without any fertility treatments at all. » 2/25/10 11:29am 2/25/10 11:29am

Futuristic And Genetically-Engineered Families That Already Exist

We all know that IVF and other innovations can help infertile couples have children. But can science also help family structures emerge that have never existed before, like kids with three parents? It already has. Here are four examples. » 2/15/10 5:10pm 2/15/10 5:10pm