is it normal at this stage...?

Chandrea • mom of 2 sour patch kids 🥰💖💖

I'm 29 about to be 30 weeks, I had some cramping in my belly like braxton hicks but only in my lower part of my belly. ( I had braxton Hicks with my son but I felt those in the front and in my lower back) is that normal? or should I call my obg ?