Having difficulty conceiving a baby over a long period of time may indicate a condition called subfertility. Subfertility carries its own slight risks if parents eventually do have a baby.

The effects of a mother's body on her developing child are still mysterious in many ways. For example, the possible effects of emotional stress on a baby aren't totally understood.

Extremely premature birth is linked to difficulties with thinking and motor skills. But researchers are still learning what it means even if children are born only a few weeks early.

It's been debated whether to spread exercise out over the course of the week or spend the same time exercising over fewer days. Children's bone development could benefit from the former.

Deciding whether to take medication while pregnant can be a tough decision. It becomes tougher when the risks and benefits are not always clear, such as with mental health medications.

Women might think that not having enough of certain vitamins during pregnancy can hurt their developing child. That may be true sometimes, but not always.

The causes of autism increasingly appear to come from a variety of different risk factors. One of those risk factors may be related to the childhood experiences of the children's mothers.

There is no doubt that pregnant women should not use meth. If they do, their babies could be at risk for underdeveloped brains and at future risk for mental disorders.

Babies born before the 37th week of pregnancy are considered preterm babies. Being born early can put babies at a higher risk for a variety of medical conditions.

Having a parent in prison can mean hardships for the entire family. But those challenges may not go away when the parent is released. There may be long-term consequences for the kids.