16w Doppler

Slvelaz✨✨ • 👯‍♀️ 1 Ectopic 2 MC 🌈=11/04/19 🤰due10/01/21

I had a dr appointment today and she tried to find the baby’s heart beat with a hand held Doppler and couldn’t hear it so she did an ultrasound and said baby was good she was just turned around 🤔 has this happen to anyone? I thought it should be easy to find at 16w ?