An ingredient in your breakfast cereal may be preventing birth defects all across the US.

Since 2012, the Centers for Disease Control and Prevention (CDC) has suggested that all pregnant women receive the Tdap vaccine, even if they were vaccinated earlier in life. And new research found that Tdap was safe for both mom and baby.

Pregnant women face many choices as they prepare for the baby's arrival. And new research suggests that moms-to-be with epilepsy may have an extra decision to make about their medication.

Asthma rates of children in the US have risen steadily over the past 30 years, but specific causes for the increase have remained unclear.

Secondhand smoke can be harmful to children. But it may also harm children before they're even born.