Let’s face it, Braxton-Hicks contractions can feel a lot like real labor, particularly to a first-time mom, which sends a hefty percentage of pregnant women to the hospital to be strapped to arcane devices for monitoring, only to be sent home (it feels like) in disgrace and told to wait until real labor starts.

But what if there were a way to tell if what you’re experiencing is Braxton-Hicks or true labor contractions? San Francisco tech company Bloomlife has just come out with a new stick-on wearable that attempts to do just that.