11 weeks pregnant, heartbeat?

Did any of you ladies not hear a heartbeat at this time but it turned out to be all okay? 
Thank you 😊 
By Doppler or ultrasound? 
I have an at home Doppler which finds my heartbeat very clearly but no baby, I'm hoping everything will be okay when I have an ultrasound in a few weeks :) but I'm a bit worried as iv seen so many ladies find theirs!