In this case review, Ahmed Zaima introduces us to the frugal trees and the changes that you need to act on. We see a normal primip at term with spontaneous onset of labor with both spontaneous rupture of membranes and contractions. Due to poor signal quality and a CTG trace that cannot be assessed, a fetal spiral electrode (FSE) is applied. But when can we trust ST Analysis? Are there situations where ST Analysis is not helpful?


  • 25 years old
  • Primigravida
  • Booked at 9+1 weeks
  • Uneventful ANC
  • Normally grown baby according to last USS @ 36+5
  • Had outpatient IOL for postdates at 41+5 using dinoprostone pessary inserted at 09.30

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