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A New Definition of the Nonstress Test.

AMANKWAH, KOFI S MD; KAUFMANN, ROBERT C MD; ROLLER, RANDOLPH W MD; PRENTICE, ROBERT L MD
Obstetrics & Gynecology: July 1980
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The nonstress portions of 42 abnormal oxytocin challenge tests (OCT) and 50 negative OCT tracings were redefined by 9 criteria in the literature. The results showed that the criteria of Trierweiler et al are the most predictive of fetal outcome but would lead to unnecessary OCTs in 46% of cases. However, the criteria of Trierweiler et al in combination with a new criteria modified from those of Paul and Miller and Evertson et al are the most predictive and lead to unnecessary OCTs in only 14% of cases

(C) 1980 The American College of Obstetricians and Gynecologists