A first-of-its-kind case study has highlighted the ways in which the brain changes throughout pregnancy, including decreases in gray matter volume, and increases in white matter.

A new study mapped how the brain responds to rapid hormonal changes during pregnancy, which could explain a wide range of experiences that pregnant women have, according to experts.

BOSTON - There's more scientific proof that there is such a thing as "pregnancy brain." Every year, millions of pregnant women experience profound physical and hormonal changes, but what specifically happens to their brains?

There's more scientific proof that there is such a thing as "pregnancy brain."

Changes that sweep the the human brain during pregnancy have been documented for the first time, using precise MRI scans. Scientists conducted 26 brain scans on and took blood samples from a healthy 38-year-old woman,

During pregnancy, a woman experiences numerous changes in her body, including hormonal, cardiovascular, respiratory, and digestive shifts. However, until recently, there was little documented evidence regarding changes in the brain during this time.