OBSbasic
In obstetrics, which uterine contraction pattern is generally considered adequate to promote progress during the active phase of labor?
Answer
3–5 contractions per 10 minutes, each lasting 40–60 seconds
Explanation
The supplied benchmark for adequate contractions is **3–5 in 10 minutes**, each lasting **40–60 seconds**. Frequency and duration describe contraction pattern; intensity is also identified as a relevant feature of power. **Key takeaway:** Use both frequency and duration when characterizing power.\n\n**Glossary:** **Frequency**: number of contractions in a defined interval; **duration**: length of an individual contraction.
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