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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.
Menstrual Cramps. Menstrual cramps experienced by a woman during her monthly menstrual period are pains that occur in the abdomen and pelvic area. To some extent, 50 percent of all women are affected by menstrual cramps and approximately 15 percent of these women have severe cramps.ramps caused by this monthly process can be particularly severe when pieces of bloody tissue and clots are pushed out through the cervix. Women with a narrow cervical canal may experience these severe cramps. The severity of cramps can often depend on the level of the prostaglandin in the body.