Rob Stein

Doctors who specialize in treating infertility are making a big change in their position on a controversial practice. The American Society for Reproductive Medicine (ASRM) has concluded that freezing women's eggs to treat infertility should no longer be considered "experimental."

The group plans to officially announce the change on Monday.

Scientists in Japan report they have created eggs from stem cells in a mammal for the first time. And the researchers went on to breed healthy offspring from the eggs they created.

While the experiments involved mice, the work is being met with excitement — and questions — about doing the same thing for humans someday.

Sara Terry's first clue that something was wrong with her son, Christian, came just three weeks after he was born.

"We went to check on him, just like any parents go and check on their kids just to make sure they're breathing," says Terry, 34, of Spring, Texas. "And we found him in his crib, and he wasn't breathing. He was blue."

She and her husband were horrified. They rushed Christian to the hospital and learned he had several medical problems.

There's some big news out today about one of the most sensitive issues in medicine: Who's next in line for a transplant?

The United Network for Organ Sharing, or UNOS, a nonprofit in charge of distributing organs, wants to revamp the system for distributing the most sought-after organ — kidneys — for the first time in 25 years.

Backed by the federal government, doctors in Michigan are trying to expand the use of a controversial form of organ donation that raises disturbing ethical concerns, including questions about whether the donors are really dead. Defining dead turns out to be pretty complicated. There are two ways to declare someone dead.