Bad cramping HELP !!!

Anna • Waiting patiently for Anna'Sophia👶💕💜👪 😊 Due October 31st 2015 💜💕
Alright ladies so I have been cramping really bad for a week & at first I thought okay maybe it's my period coming but it's been a week & I still don't have my period. I've never had this kind of bad cramping before! They are so bad! So if it isn't my period coming then what can it be 😕