Help answer this please

Margarita
I didn't know where To post this but I was cramping really bad worse Then I do on my period and everyone told me it's cause I'm ovulating and that was one the 10th I'm still having some pains off and on and today is the 16th my lower back usually hurts but here lately it only in my lower back I need help to figure out if these are symptoms of pregnancy or not lol I'm not getting my hopes up my period is suppose to start on the 25th and today my boobs started getting tender in the afternoon