No, don't worry. Lots of women don't dilate at all until labor starts or you might dilate in the next couple weeks and then still be pregnant at 40+. Everyone's different and the way our bodies and babies prep for labor is unique to every pregnancy. Don't stress, you've still got a month or more to go, you've got plenty of time(:
Just curious....when is your due date?
My due date was last friday
I'm due in 1 week and haven't dilated at all either. Don't stress about it :)