Fetal Doppler use

Ja

Hi!

So I’m 33 weeks, and used a fetal Doppler so my family could hear the heartbeat. Didn’t realize until after that I had it on my belly for about 15 minutes, not in one spot the whole time but still really freaked out now that I could have hurt baby’s ears or something. Does anyone know if this could have caused harm? Just wanted family to hear and now I feel horrible.