10 Moms Who Changed the Meaning of Motherhood in 2015

This mom is proof that it's possible to still protect your child even when you're no longer living.

Karla Perez nurtured and cared for her unborn son for eight weeks while brain-dead. When Karla was 22 weeks pregnant, she suffered a stroke and doctors kept her alive for eight weeks in order to deliver baby Angel with a team of more than 100 doctors. Angel, who weighed just two pounds and 16 ounces at birth, was the first to go through a miracle delivery of its kind in the US since 1999.