You are experiencing periods, however there are fluctuations and changes (heavier, lighter, flooding, spotting).

Your periods have stopped less than a year, or you experience a sudden stop of your periods due to surgical or medically related menopause.

You become post-menopausal, due to ovarian insufficiency before the age of 40.

Your periods have stopped for at least one year. 

You are unsure what your menopause status is due to using birth control, but you have numerous menopause symptoms and you are aged between 40 and 55.