Fluctuating heart rates

Jessica • Married 💏 2014 — 🧒🏻 2000 — 👱🏻‍♀️ 2004 — 👱🏻‍♀️ 2009 — 👼🏻 + 👼🏻 2018 — 🌈 🤰🏻due 12/6/20 — 41yo and 50yo DH

For those mommmas with a Doppler, do you find the baby’s heart rate can vary wildly? Mine goes anywhere from 150 to 170. It makes me a little nervous sometimes but everything I read says it will fluctuate. Just wondering if anyone else has noticed this.