Im sorry to ask this seemingly stupid question, but after your waters break do you always get contractions?

Some people seem to have contractions but dont break their waters; others do

The reason I ask is (and I hate myself for doing this TMI ALERT) because i am wearing a wet pair of undies at work at the mo and I know I hvaent wet myself but there has been a significant increase in discharge the last few weeks. So I am wondering if it is my waters will I defineitly get contractions?

Im so sorry but thanks to anyone who responds