If you want to make a baby, you need a sperm and a mature egg. Until recently, scientists haven't known how to grow eggs to maturity on their own. But now they have an idea.

Researchers already knew that women born underweight are at a higher risk for various health issues. But what about preemies who aren't underweight?

It's easier for preschoolers to eat well when families have the tools to think about good nutrition. Moms were able to do so with the KAN-DO program.

There's no cause for alarm or plans to buy diapers after Maria Sharapova's stomach ache during the gold medal match at the Olympic games. The pain during her loss against Serena Williams in the London finals was just from a stomach virus, not a stork visit.

Most people have heard that it can be more risky to have children after age 35. However, these concerns usually relate to birth complications and not to the children's development.

Trisomy 13 and 18 are chromosomal disorders, like Down's syndrome. Some parents may feel devastated when they learn their baby has such a disorder, but the reality holds much more optimism.

A fear held by many parents is that their adolescent will become sexually active at an early age. Here's good news: Being an involved parent can make a difference, says new research.

Ready for some good news about kids today? An annual federal report on children's well-being in the US has a lot of it, from birth outcomes to school performance to deaths.

One consideration in undergoing in vitro fertilization ( IVF ) treatment to have a baby is how many embryos to transfer into a woman's womb at once. One? Two? Three?