## Clinical Scenario Reduced fetal movements with abnormal cardiotocography (elevated baseline, reduced variability, absent accelerations) indicates potential fetal compromise. A comprehensive assessment of fetal well-being is urgently needed. ## Investigation of Choice: Biophysical Profile (BPP) Scoring **Key Point:** The biophysical profile is a composite scoring system that combines real-time ultrasound assessment of fetal behavior with nonstress testing. It is the most comprehensive and specific test for fetal well-being in the third trimester. **High-Yield:** BPP Components (each scored 0 or 2 points): | Component | Normal (2 points) | Abnormal (0 points) | |-----------|-------------------|--------------------| | Fetal breathing movements | ≥ 1 episode of 30 sec in 30 min | Absent or < 30 sec | | Gross body movement | ≥ 3 discrete movements | ≤ 2 movements | | Fetal tone | ≥ 1 episode of extension/flexion | Absent or slow extension | | Amniotic fluid volume | Deepest pocket ≥ 2 cm | Deepest pocket < 2 cm | | Nonstress test (NST) | Reactive | Non-reactive | **Mnemonic:** **BFTAN** — Breathing, Fetal movement, Tone, Amniotic fluid, NST. ## BPP Interpretation and Management | BPP Score | Interpretation | Action | |-----------|----------------|--------| | 8–10 | Normal | Repeat in 1 week; discharge | | 6 | Equivocal | Repeat within 24 hours; consider delivery if ≥ 36 weeks | | ≤ 4 | Abnormal | Deliver immediately (cesarean if indicated) | **Clinical Pearl:** In this case, the abnormal NST (elevated baseline, reduced variability, no accelerations) combined with decreased fetal movements warrants immediate BPP assessment. A low BPP score would support urgent cesarean delivery. **Warning:** Do not delay delivery based on a single abnormal test; BPP provides the most complete picture of fetal status and should guide the decision for cesarean section. [cite:Williams Obstetrics 25e Ch 21] 
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