Contractions???

Okay so I’ve been having consistent contractions so I was timing them (every 10 minutes for an hour and a half) and then they didn’t even gradually shorten, they just went to every 5 minutes for the last half hour and continuing (apparently). I’ve been drinking water and trying to sit down and relax but they just keep coming. Should I call in to my doctor or just see if they stop over time? I have been having Braxton Hicks since 14 weeks so I’m not really sure what constitutes as real or not.