36 Weeks. 3-4 Cm Active Labor

Good day po OTW to hospital 3-4 cm na daw kasi ako and active labor after ng IE sabi ng ob na nag check up sakin . Pero NO DISCHARGE OR SPOTTING OR LEAK NG WATER BAG. kaninang umaga normal lang nmn and walang masakit pero after nya ko ma i.e biglang nag active labor ako. ?Kinakabahan tuloy ako.