North American Registry of Midwives (NARM) Practice Exam

What does a contraction pattern indicate if contractions are more frequent than every 2 minutes and last longer than 90 seconds?

1. Normal labor pattern

2. Hyperstimulation of the uterus

3. Early labor signs

4. Active labor progression

The correct answer is: Hyperstimulation of the uterus

A contraction pattern where contractions occur more frequently than every 2 minutes and last longer than 90 seconds suggests that there may be hyperstimulation of the uterus. Hyperstimulation is characterized by excessively frequent and long-lasting contractions that can compromise both maternal and fetal well-being. In such a scenario, the uterus doesn’t have sufficient time to relax between contractions, which can lead to decreased blood flow to the placenta and increase the risk for fetal distress. This pattern differs from normal labor, which typically involves a gradual increase in frequency and intensity without exceeding safe limits. Early labor signs are usually characterized by irregular contractions that are not yet close together or particularly intense. While active labor does involve frequent contractions, the described pattern exceeds the thresholds typical for active labor and signifies a potential concern requiring assessment and possible intervention.