College Student Shares Difficulties With Endometriosis Diagnosis

Endometriosis causes severe pelvic pain, mostly during a person's menstrual cycle, and can also affect fertility.

You wouldn't know it from the outside.    

Kayla, a college student in Nashville, Tennessee, is battling a disorder called endometriosis. It's a condition where tissue that normally lines the inside of the uterus grows outside the uterus. 

"A lot of disability is invisible, especially something like this," Kayla said.