It depends on how severe they are. If it's mild cramping that is simply uncomfortable, then it's pretty normal. If it's severe cramping and your in a good amount of pain, then you should see your Dr. Right away.
Is Getting Cramps In Early Pregnancy A Good Sign?
Mild cramping is normal but if it gets to where you can't stand it somethings wrong you need to get to a doctor so they can tell you if you are prego or not good luck