Untreated mental disorders are linked to newborn complications in pregnant women. But taking psychiatric medication has risks too. Again, the old question: What, then, to do?

A full pregnancy term is 38 to 40 weeks. If it seems like the baby might come sooner, especially before the 34th week, doctors do what they can to prevent a premature birth.

Children born with special needs generally have a reduced survival rate. But these rates can improve. Babies born with Down syndrome are living longer than ever.

The dangers of secondhand smoke for children can often show up in unexpected ways. Even some bacterial illnesses can pose a higher risk to children if they're around secondhand smoke.

Pregnancy is a great time to see how well your body does under stress. Some women get hypertension when they're pregnant. These women have a greater chance of having it again. 

Pregnant women with depression have tough choices to make. Do they treat the depression with medication or skip the meds? How might either choice affect their baby?

A number of pregnancy conditions can restrict the flow of oxygen to the baby. Researchers are learning more about how these conditions might affect children later on.

The smallest newborns are often at risk for bigger health problems. Underweight babies are more likely to have behavioral issues later in life. But new research indicates boosting their iron levels may help.

A pregnant mother's diet plays a key role in her child's development and health. If you are pregnant, eating an unhealthy diet could boost your child's chances of developing diabetes.

So it's pretty clear that smoking while pregnant is a bad idea. But what if it's just those around you who are smoking? Does that affect unborn babies too? Possibly.