Your early signs of labour?

what were your early signs of labour?ive been getting stomach ache for so many hours now,just a dull ache started off bad and not as bad now but still uncomfortable,also been getting bad lower backache past couple of days,could just be the normal aches and pains!its 1 where it stays there so doesnt come and go.im 37 weeks today,never had braxton hicks so not sure what to look for.