Intrapartum cardiotocography(CTG)is of great significance in reducing the occurrence of ner-vous system damage such as neonatal asphyxia and convulsions by evaluating the intrauterine state of the fetus through the 3-tier system.The incidence of CSTⅡ is the highest,which reflects by abnormal fetal ox-ygenation.Maternal use of drugs,posture,emotion and pain during labor,may also cause CST Ⅱ.some of the factors are reversible,while others call for emergency delivery.In clinical decision-making,clincians should fully consider the clinical situation and make com-prehensive evaluation in order to avoid excessive in-tervention.
维普
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