Endometriosis is a condition that has long been shrouded in mystery, despite affecting one in ten women worldwide. In recent years, more women are coming forward to share their struggles, breaking through the silence that has surrounded this debilitating condition for decades.
Dr Andrew Horne, a Professor of Gynaecology and Reproductive Sciences and President-Elect of the World Endometriosis Society (WES), defines endometriosis as "a chronic pain condition where tissue similar to the lining of the womb is found outside it."