Lab

Fetal Scalp Stimulation

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Fetal Scalp Stimulation, Scalp Stimulation Test, Fetal Acoustic Stimulation

  • Indications
  1. Assess degree of Fetal Hypoxia
  • Technique
  1. Stimulate infant with one of two techniques
    1. Fetal Scalp Stimulation
    2. Fetal Acoustic Stimulation
  2. Observe Fetal Heart Rate response to stimulation
  • Interpretation
  • Positive Scalp stimulation response
  1. Fetal Heart Rate increases 15 beats for 15 seconds
  2. Positive Response implies no acidosis (pH > 7.20)
  • References
  1. Smith (1986) Am J Obstet Gynecol 155(4):726-8 [PubMed]