Normal for baby heart rate to drop through day?

Baby's heartrate was 153 early this morning at my OB appointment.

Just had a private scan (late evening) and the heart rate was 143.

Is this a cause for worry?

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors