Summary
Fetal bradycardia is an abnormally low fetal heart rate, usually below 100 beats per minute (bpm).
1
It is measurable sonographically from around 6 weeks and the normal range varies during gestation, increasing to around 170 bpm at 10 weeks and decreasing from then to around 130 bpm at term.
2
3
According to
See more results on Neeva
Summaries from the best pages on the web
Summary
A normal fetal heart rate (FHR) usually ranges from 120 to 160 beats per minute (bpm) in the in utero period. It is measurable sonographically from around 6 weeks and the normal range varies during gestation, increasing to around 170 bpm at 10 weeks and decreasing from then to around 130 bpm at term.
Fetal heart rate in the first and second trimester
radiopaedia.org
Summary
A normal fetal heart rate (FHR) usually ranges from 120 to 160 beats per minute (bpm) in the in utero period. It is measurable sonographically from around 6 weeks and the normal range varies during gestation, increasing to around 170 bpm at 10 weeks and decreasing from then to around 130 bpm at term.
Fetal heart rate in the first and second trimester
radiopaedia.org
Fetal arrhythmias are defined by deviations from these parameters. They complicate 1 to 2 percent of pregnancies and have the potential to compromise fetal health. A summary of the types…
Fetal arrhythmias - UpToDate
uptodate.com
Fetal bradycardia (< 110 beats per minute for > 10 minutes) Recurrent decelerations following contractions (> 50% of contractions) or prolonged deceleration (> 2 minutes but < 10 minutes)
Intrapartum Fetal Monitoring | AAFP
aafp.org
Regular bradycardia with 1:1 AV relationship. In this form of bradycardia , for every atrial contraction there is a corresponding ventricular contraction. This pattern is uncommon. If present, it often indicates…
Primary bradycardia: keys and pitfalls in diagnosis
wiley.com