ACOG Changes FHR Monitoring Guidelines

From ACOG’s Press Release:

Refinements of the definitions, classifications, and interpretations of fetal heart rate (FHR) monitoring methods were issued today in new guidelines released by The American College of Obstetricians and Gynecologists (ACOG). The objective of the guidelines is to reduce the inconsistent use of common terminology and the wide variability that sometimes occurs in FHR interpretations. ACOG’s Practice Bulletin, published in the July 2009 issue of Obstetrics & Gynecology, supports the recommendations of the Eunice Kennedy Shriver National Institute of Child and Health Development workshop* on electronic fetal monitoring (EFM) held in April 2008.

One notable update in the guidelines is the three-tier classification system for FHR tracings (print-outs of the fetal heart rate). Category 1 FHR tracings are considered normal and no specific action is required. Category 2 tracings are considered indeterminate. This category requires evaluation and surveillance and possibly other tests to ensure fetal well-being. Category 3 tracings are considered abnormal and require prompt evaluation, according to ACOG. An abnormal FHR reading may require providing oxygen to the pregnant woman, changing the woman’s position, discontinuing labor stimulation, or treating maternal hypotension, among other things. If the tracings do not return to normal, the fetus should be delivered.


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