Skip to main content

Nonstress Testing

Contraindications:

Gestational age <24 weeks

Interpretation:

>32 weeks
Reactive NST: two fetal heart rate accelerations within a 20-minute interval, peaking at least 15 beats per minute above the base line and lasting 15 secondsĀ 

<32 weeks

Reassuring for gestational age: two fetal heart rate accelerations 10 beats above the baseline and lasting for 10 seconds within a 20-minute interval.

NST