A type 1 diabetic who is at 32 weeks' gestation is having a nonstress test for fetal well-being because she has been having problems with glucose control. Which of the following meets the criteria for her test to be considered reactive?
1. Fetal heart rate baseline of 150 with two accelerations to 160 for 10 seconds within 20 minutes
2. Fetal heart rate baseline of 140 with one acceleration to 160 for 15 seconds within 30 minutes
3. Fetal heart rate baseline of 140 with two accelerations to 155 for 15 seconds within 20 minutes
4. Fetal heart rate baseline of 130 with two accelerations to 140 for 15 seconds within 20 minutes
3
Rationale 1: A fetal heart rate baseline of 150 with two accelerations to 160 for 10 seconds within 20 minutes is an increase of only 10 beats per minute.
Rationale 2: A fetal heart rate baseline of 140 with one acceleration to 160 for 15 seconds within 30 minutes is an increase of 20 beats per minute for 15 seconds in 30 minutes. This is not considered reactive.
Rationale 3: A fetal heart rate baseline of 140 with two accelerations to 155 for 15 seconds within 20 minutes is perfect: 15 beats per minute for 15 seconds in 20 minutes.
Rationale 4: A fetal heart rate baseline of 130 with two accelerations to 140 for 15 seconds within 20 minutes is an increase of 10 beats per minute.
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