What is chemical menopause?
When you think of menopause, your mind probably goes to women in their forties and fifties.
But, for various reasons, younger women can also experience it too.
Chemical menopause is something women can go through when receiving treatment for endometriosis.
It's temporary and reversible, as BBC Wales reporter Catriona Aitken explains.
Video filmed and edited by Erin Lister