It is quite normal to start dilating before labour even starts. With Tehya I was 3 cms before I went into labour itself.

A show just means that your cervix is starting to thin out. Which you know already as your already dilating. A show weeks before labour starts. Sorry to say.

If you are having contractions why not try to encourage them with some nipple stimulation. Or maybe a good round of sex, provided your waters haven't broken.

Goodluck hun and I hope labour starts really soon. Fingers crossed bub is here before Christmas