emedicinehealth.com - Menstrual Pain
http://www.painsweb.com/articles/219/1/emedicinehealthcom---Menstrual-Pain-/Page1.html
By PainsWeb Admin
Published on 12/20/2006
Menstrual cramps are sharp pains in a woman's lower abdomen that occur when her menstrual period begins and may continue for 2-3 days.