NEED ADVICE.. am I going into labour ??

Hi!! I'm due today! I've been having pain and tightening at the top of my bump since about 230 now 630.. which have gradually got lower-- above my belly button now, accompanied with a constant dull back ache.. my MW told me at my 38week appt that it will feel like
Period cramps low down but mines all high.. has anyone else had this and been going into labour ? Thanks!! Xx