 [ Symptoms ] what can cause a dull menstrual like cramp pain on right side of pelvic area  for the past 3 to 4 days i have been having a menstrual cramp like pain but it is only on the right side it is not a severe pain but enough of pain that after 4 days it has worn me down and made it hard to do anything i have taken perscription ibprofen i had left from my gallbladder surgery and it doesnt seem to help if i put a heat pack on the area it helps but as soon as i get up and move around its right back to hurting again im absolutley miserable what can cause this [ Disease ] a pregnant woman can have a menstrual cycle for a month or so even longer this is why some women do not know they are pregnant nausea and breast tenderness are not definitive signs of pregnancy any more than missing a period so you will need to wait for an accurate pregnancy test to provide you with more information on whether you are indeed pregnant or not