due date

38 weeks and 1 day base on lmp 33 weeks and 3 days base on 1st us Pre term labor pain or braxton ? Masakit balakang q tagos hanggang buto ko and off tapos naninigas nigas tyan ko. Kanina i tried to walk hirap na aq at umuwi agad parang nagkakalas balakang q na ewan sa puson.. Last week base on ob close and mahaba pa cervix q..