More than 10% of women and those assigned female at birth are affected.
Endometriosis is the second most common gynaecological condition in the UK.
Up to 50% of those affected may experience difficulties conceiving.
It currently takes on average 8 years from the onset of symptoms to achieving a diagnosis.
10% of women worldwide have Endometriosis. That's an estimated 176 million worldwide - a similar number to those with Diabetes
The causes are unknown and there is no cure.