1 in 10 women are affected by endometriosis. So why does it take so long to diagnose?

Endometriosis is a debilitating, chronic condition that affects 1 in 10 women worldwide, write Caroline Gargett, Caitlin Filby and Fiona Cousins. It occurs when tissue which has similar properties to the womb lining, ends up in the body and attaches to organs, forming a patch...