Raspberry leaf tea experiences??

Those of you who have used raspberry leaf tea can you share your experience? I'm a FTM and as of today I'm 37 weeks 5 days and I bought some raspberry leaf tea and want to start drinking one cup daily. My due date is 16 days away and I don't want to have my baby before his due date that's why I'm a little hesitant because I've heard that the tea can trigger contractions. Is it true that the tea will speed things up and make me have contractions? Baby boy isn't engaged yet (not sure if that matters at all)