This case features a para 1 with a preterm delivery. The mother is healthy and has had a normal pregnancy with spontaneous onset of labor at gestational week 39. As always, we ask ourselves; “Is this fetus fit for labor?”. To help us answer this, Dr Susana Pereira takes us through a brief recap of the physiology behind ST Analysis.


  • G1, P0 
  • 29 years old 
  • No medical conditions 
  • Good fetal movements 
  • Comes GA 41+0 for a check up in the hospital 
  • Spontaneous onset of labor at 41+1 
  • Spontaneous rupture of membrane at 2.00am 
  • Clear amniotic fluid 
  • Comes to the hospital at 3.00am

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