Pregnancy actually re-wires your brain
MRI of a human brain (Popular Science)

The structure changes could help with mom-baby bonding Jeffrey Hatcher via Flickr CC By 2.0 MRI scan of a brain In a new study, MRI scans revealed that women's brains get re-wired during pregnancy. Becoming a parent is a life-altering experience. It's also a mind-altering experience, according to new research—literally. Brain scans of new moms showed…