Being born early or late already carries some health risks for both mothers and their newborns. Now there's evidence an early or late birth can worsen symptoms of children with autism.

If you really need that cup of joe , it's okay, Mom. Whether you're pregnant or breastfeeding, your coffee habit won’t come back to haunt you with increased nighttime baby wakings .

Approximately two-thirds of all women with a history of mental illness give birth, and it can be tough to figure out which medications should or shouldn't be taken during pregnancy.

Is something in the air affecting kids' behavior these days? Maybe –chemicals from air pollution breathed in by expectant moms may play a part in their children's behavior issues later on.

Much is still uncertain about what drugs are safe while pregnant, so deciding what to take or avoid may require a tradeoff. Such may be the case for a common group of antidepressants.

Extremely premature babies are already at high risk for impaired brains, but those born to obese mothers may be at even more a disadvantage.

Children exposed to as little as half an alcoholic drink a day in utero - even if they didn't have fetal alcohol syndrome - appeared to suffer in their achievement test scores.

Smoking is associated with a number of complications for babies in the womb, including early deliveries and underweight babies. Scotland's smoking ban made in dent in both of these.

Expectant mothers with depression or anxiety may debate whether to continue or cease taking their mood meds during pregnancy, and it appears their babies are likely affected either way.

Using ecstasy is no way to escape the discomfort of pregnancy. The first study to look at its impact on babies reveals it can cause developmental delays that might spell trouble later.