While severe period pain can be related to health issues , such as endometriosis and polycystic ovarian syndrome (in my case), for some, it’s just a part of their monthly cycle. (FYI, if you’re struggling with period pain and unsure of the cause, it’s always best to consult your doctor.)
Article source: https://www.huffingtonpost.co.uk/entry/horrendous-period-pain-relief-that-works_uk_6217a175e4b0d1388f10fad7