Despite the disturbing images being added to cigarette packs and the Surgeon General's warnings against smoking while pregnant, some women are lighting up while pregnant anyway.

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.

If you're thinking just one beer or just a single glass of wine during pregnancy can't hurt, think again. A new study reveals that every drop counts.

The more that is understood about newborn birth defects, the clearer it is that a mom-to-be really has a great deal of control over her future baby's health.