Had my membranes striped yesterday mucus plug fell out last night how much longer till labor starts?

last time i went to the docter he tol me i was 3 cm dialated 30 % effaced baby was in the right position and my due date is this friday and my mucus plug fell out last night i already had one baby this is my second and he striped some of my membranes yesterday too buthe said since my cervix was so high he couldnt get them all i wanted to kn ow how long befor i go into labor