Bring your friends and family, or come on your own and become part of the Welsh endo family!
There's also a march in Cardiff for those in South Wales.
Full details of both marches here: ftww.co.uk/endomarchwales
If you'd like to put a poster up in your local area, bilingual versions of them can be found on this link. They are also on FTWW Fair Treatment for the Women of Wales Facebook, Twitter and Instagram - please share!