Some of the symptoms of endometriosis are very similar to PMS, which is why it often goes undetected, but endometriosis can produce other symptoms too:
Some girls do not suffer any or many of these, making it difficult to tell whether someone has it or not.
You only accurately tell by having an operation called a ‘laparoscopy’. A laparoscopy involves having a tiny tube with a light on the end inserted through a hole near the tummy button so the gynaecologist can look at the pelvis and abdomen.
You may get a combination of physical and emotional symptoms, including:
Doctors diagnose women with PMS based on the pattern of the symptoms in relation to their monthly cycle, so it is important to keep a note of when your periods are and what symptoms you get.
Don’t worry – endometriosis cannot kill you and you can’t pass it on to anyone, but if you don’t have treatment you could become infertile.