Pelvic cramps?!

I'm wanting to say I think I'm pregnant but these way low pelvic cramps are coming and going and making me think is due between the 2nd and 7th at some tatas are hurting which is odd and blue veins are really showing I had cramps and back ache a week and so ago...IDK WHAT THIS IS AND IT'S DRIVING ME CRAAAAZZZYYYYY is it af or pregger?!!!!! 😢😢😢😲😲😲😲