How soon did y'all hear the heartbeat?

Me
Long story short, I'm pregnant for the 4th time and hoping this will be my first living child! 💖 I've never heard or seen the heartbeat of any of my miscarriages so I'm scared what's going to happen at my appt on the 21st! I'll be about 6w2d give or take a day! I'm terrified something is going to be wrong! So my question is, how soon did you see your babies heartbeat and how soon did you hear it? TIA! 😍😁