Normal Beat to beat variability in an NST on a term fetus is ?: (A) 25-Jun, (B) 5-Jan, (C) >25, (D) any variability which is above 110 baseline is normal
Answer is A. Beat-to-Beat Variability - - Fetal hea variability is divided into four types: 1. Absent : Undetectable change in amplitude 2. Minimal: <= 5 bpm in range 3. Moderate : 6-25 bpm 4. High: > 25 bpm