Many women around the world carry bacteria that could threaten their health and the health of their infants, according to a new study.

Pregnant women in the United States may face a higher risk for Zika virus than previously thought, according to the Centers for Disease Control and Prevention (CDC).

The Centers for Disease Control and Prevention (CDC) has reported some preliminary numbers detailing the effects of Zika virus on birth defects in the United States.

Despite some past concerns, a new study found that getting the Tdap vaccine during pregnancy was not tied to an increased risk for microcephaly or structural birth defects.

For babies younger than 6 months, influenza vaccination has not been proven to be successful. But a new study found a different way to protect babies from the flu.

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.

With a recent spike in the number of cases tracked by the Centers for Disease Control and Prevention (CDC), doctors are reminding pregnant women and parents of small children of pertussis vaccination guidelines.

Vaccines are designed to protect against disease, but babies cannot get most vaccines until they're two months old, leaving them vulnerable. A vaccine during pregnancy may help.

Previous research established a link between prenatal exposure to infection and later schizophrenia. New research aimed to see if this same link was present for bipolar disorder.