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1 Menstrual cramps are pains felt in the lower abdomen, occurring both before and during a woman's menstrual period. 2  The pain can be slight or sometimes extremely severe. 3  There are two types of painful periods-primary and secondary dysmenorrhea. 4  About 15% of women describe menstrual pain as severe.ast facts on menstrual cramps. Here are some key points about menstrual cramps. More detail and supporting information is in the main article. 1  Menstrual cramps are pains felt in the lower abdomen, occurring both before and during a woman's menstrual period. 2  The pain can be slight or sometimes extremely severe.
This condition of abdominal cramping and/or back pain is medically termed Dysmenorrhea. This medical term describes the muscle cramps that occur during a womanâs menstrual cycle. Dysmenorrhea is the cause of back pain â upper, lower or one side â during a womanâs period. It can be very debilitating pain but it is not a serious condition and it passes within a few days of starting.