A 41-year-old member asked:
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What is and what cause a slow heart rate in a fetus?

1 doctor answer
Dr. Bryan Treacy
34 years experience in Gynecology
Several reasons: Normal fetal heart rates are 120-160bpm & as low as 110 at term. If lower, there are reasons that can be significant so an obstetrician should be able to evaluate these or make a referral to a high risk pregnancy specialist.
Answered on Sep 5, 2012

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Fetal death: Very slow can cause fetal demise. Your OB would tell you if it was slow enough to be serious.

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