I use a home Doppler and also count it out myself and they’re both the same. Is it normal for heart rate to fluctuate from 160 to 140 to 150 within a minute? I could hear the difference. Does it just mean the baby was moving and then rested? I did feel movement with the faster heart rate. I know those are all normal heart rates but my question is whether it’s normal for it to fluctuate within the minute. 19 weeks. Thanks