OBSintermediate
In obstetrics, a contraction frequency of more than 5 contractions in a 10-minute window, averaged over 30 minutes, is clinically defined as uterine _____.
Answer
tachysystole
Explanation
The supplied definition of **tachysystole** is more than five contractions in 10 minutes. The slides distinguish this from hypertonus, which is a contraction lasting more than two minutes; hyperstimulation occurs when either is accompanied by an abnormal FHR pattern.
**Key takeaway:** Tachysystole means more than five contractions in 10 minutes in the provided material.
**Glossary:** **Tachysystole**: excessive frequency of uterine contractions. **Hypertonus**: an excessively prolonged contraction.
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