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.

Substance abuse is a serious issue for any teen girl, but if that girl is pregnant, the problem is exponentially greater. Extra support might be necessary to help pregnant teens get sober.

Being sick while pregnant certainly isn't fun. Having the flu while pregnant is even worse. But being down with the flu during pregnancy might be linked to longer term concerns, too.

Throughout our entire lives, we interact with chemicals. The vast majority of these chemicals do us good or cause no harm. A small number, however, are linked to mental health issues.

Medicine has advanced considerably in the care of babies born extremely early. However, these babies are still at high risk for long-term problems, and every extra week counts.

Autism runs in families, past research has shown. But even when a family risk is known, children are not usually diagnosed with autism until they are toddlers.

Some medications are linked to disorders such as autism or to birth defects when taken during pregnancy. However, that risk must also be balanced against the medication's benefits.

Difficulty sleeping is a common problem during pregnancy. Women often report being unable to sleep comfortably. However, how pregnant women sleep might affect their babies.

Most people have the good fortune not to live in a town under regular rocket attacks. However, lessons can be learned from the experiences of pregnant women in such places.

Is it possible that the environment inside a woman's body may sometimes reflect what is going on in her life? How much could severe stress contribute to a stillbirth?