Minor cramps

Hello ladies.... my period is due tday and no signs of my period but light cramps and frequent bathroom visits..I took a test and came out with a little book ..so I gotta retake one... these past two months I've gotten my period on the 4 of the mnth...the previous month on the 5... could it b that's I might strt on the 5 this month... cramping is coming from both sides left and right n some in the middle of my obdomen... idk wat to think any more.... should I wait to take another pregnancy test...or take one imediatley. ..any suggestions. .. thanks ladies for ur time