This HD video by Prof. Ajit Virkud explains the basics of non stress test which is done for fetal well being assessment.
FHR Decelerations:    • FHR Decelerations Explained  
Baseline FHR explained:    • Baseline FHR explained  
FHR Baseline Variability Explained:    • FHR Baseline Variability Explained  
FHR Decelerations:    • FHR Decelerations Explained  
Periodic Accelerations Explained:    • Periodic accelerations explained  
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