The vast majority of pregnancies are uncomplicated, with healthy moms and healthy babies. But one of the more common pregnancy complications when one occurs is pre-eclampsia.

Women have all sorts of decisions to make about their behavior during the months that they are pregnant. Some of their decisions can boost the likelihood of a healthier pregnancy.

A tuna salad sandwich can be a healthy and tasty meal. But tuna and other fish can contain small amounts of mercury. Can these amounts increase a pregnant woman's risk of having a child with autism?

It's well understood that women should not smoke while pregnant. Yet some women find it difficult to quit. Knowing some of the long-term effects may offer an extra motivational boost.

Smoking is a known health hazard for pregnancies. But being exposed to smoke in utero may follow a baby girl into her own pregnancy when she grows up.

African-American women are already prone to not getting enough vitamin D. When they are pregnant, lacking this nutrient might influence their mental health.

Many factors influence individuals' weight. The same is true for children. Preventing obesity is easier when we know what factors increase a baby's risk of becoming overweight.

One of the foods pregnant women need to watch out for is fish. They are advised to avoid fish with too much mercury. But eating fish with lower mercury levels might be a good idea.

The risks to a woman and her baby if she's obese have been well-established, but having sleep apnea ups the stakes even more. Fortunately, sleep apnea can be treated.

If you're thinking of lighting up while a little one kicks in your tummy, this might stop you. Do you want an overweight child?