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Fetal Heart Rate Baseline

Aka: Fetal Heart Rate Baseline, Fetal Heart Tone Change in Baseline, FHR Baseline

See Also
Determining Fetal Heart Rate Baseline
1. Auscultate and count FHR for 60 seconds
2. Perform between contractions
Interpretation
1. Normal baseline: 110 to 160 beats per minute
2. Change in baseline occurs if persists >10 minutes
Causes of change in baseline
1. Premature fetus
2. Maternal fever
3. Maternal position
4. Medications
5. Fetal Hypoxia
  1. Baseline gradually increases and
  2. Decreased variability and
  3. FHR decelerations
References
1. Bailey (2000) ALSO, E:1-13
2. Gabbe (2002) Obstetrics, p. 395
3. Rylander (2001) Clin Fam Pract 3(2):287-305

Family Practice Notebook

Patients should address specific medical concerns with their physicians.

Although access to this page is not restricted, the information found here is intended for use by medical providers.

This page was written by Scott Moses, MD, last revised on 10/21/2007 and last published on 5/14/2013.

This is one of 5887 pages in the Family Practice Notebook