Labour signs at 35th week?

hi :) im 34+4 days pregnant and have experienced, so i think, the mucus plug,,it was a snot like lump down the loo this morning, a milky egg white..and gooey inbetween my fingers..i also have had sum nausea and diarrhea the last few days and tonyt as we speak i have not really painfull, but very uncomfortable lower back pain..is labour near? was that defo my mucus plug? help? x