When in labour does your belly go hard like when having braxton hicks, or does it just ache (in the early stages)? I'm getting some really sore back pains (like bad period pains low down) but not sure what they are TBH as my tum isn't going rock hard when I get them like with BH. Belly still going hard sometimes, but not all the time. There also doesn't seem to be any regular rhythm to them. Is this just late pregnancy pains?