Classification of Placental Abruption (Part 1)

Classification of placental abruption is supported by clinical finding as follows: 

  1. Class 0 – Asymptomatic
  •  Blood clot on the maternal side of the placenta 
  1. Class 1 – Mild
  • Absence or a small amount of bleeding
  • Tenderness of the uterus with sustained contraction 
  • Maternal blood pressure and heart rate are within normal limits
  • No signs of fetal distress

 Class 0 or 1 is usually associated with a partial or marginal separation.

Question: What is a term for sustained uterine contraction?

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