A single week out of the year may not seem like a big deal - unless you're a tiny human waiting to greet the world. For preemies, every week counts.

Modern medicine is improving all the time through research and technology. But it cannot always address every problem – especially with extremely young preemies.

With the increase in cases of autism, researchers are constantly looking for possible causes of the condition. A new study looks at whether air pollution from traffic might play a role.

It's challenging enough to raise headstrong toddlers. But toddlers and older kids whose mothers used cocaine during pregnancy? Their behavior can be especially difficult.

Spending nine months in the same small space sure could get boring. So perhaps it's not surprising that scientists have discovered babies yawn in the womb. Of course, the babies are not yawning because they are bored or tired.

Researchers are learning more all the time about how chemicals in the environment affect our bodies. Much research focuses on children and conceiving a child.

It's clear that heavy drinking while pregnant can harm a baby. But research has been less clear about whether only a few drinks makes a difference. Until now.

Sometimes trying to address one problem can cause another. This may be the case with flame retardant chemicals. They are supposed to help prevent fires, b ut they may cause health issues.

Being born too early can increase babies' risk of various health problems. But there's good news. Fewer and fewer babies are being born too early in the US.

Most women know they are advised not to drink during pregnancy. They may not realize how much drinking while pregnant can deeply affect children's brains even years later.