Endometriosis is a condition in which endometrium-like tissue grows outside of the uterus, often in the pelvic wall, intestines, bladder, ovaries, fallopian tubes or rectum. During a typical menstrual cycle, uterine tissue thickens and then sheds—causing a period—but with endometriosis, this growth still thickens but has nowhere to go, causing inflammation and pain.

If your partner is one of the 1 in 10 women who live with endometriosis, it can be difficult to know how best to support them. Unfortunately, the condition is still not fully understood, and even medical professionals often attribute the disorder's pain to other factors (or worse, ignore it altogether as period pain).

One of the best things you can do as a partner is to learn some truths about endometriosis so you can understand a bit more about the frustration, potential fertility challenges and physical pain your partner experiences.

It's not 'just a bad period'

It's a common misconception that all periods are painful, and this belief often leads to endometriosis