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诊断分娩前的胎儿窘迫,对无反应型 NST、NST 中的晚期减速、变异减速、变异减少或消失,应行其他辅助检查;出现阳性 CST、反复可变减速及 BPP≤4、羊水过少症(AFI≤5)者应立即结束分娩(包括行剖官产术);对于可变减速应行羊膜腔注入液体;正弦波型和假正弦波型应严格区别。唯有正弦波型应行剖宫产术快速结束分娩。NST 胎心监护结合羊膜腔注入液体、脐带穿刺术的应用,确有可能使胎儿窘迫的剖宫产率从2%降至1%左右。
Diagnosis of fetal distress before delivery, non-responsive NST, NST in the late deceleration, mutation deceleration, mutation to reduce or disappear, other auxiliary examination should be performed; positive CST, variable variable deceleration and BPP ≤ 4, oligohydramnios (AFI ≤ 5) should immediately end childbirth (including lineage cesarean section); for variable deceleration should be amniotic fluid into the amniotic cavity; sine wave and pseudo-sine wave type should be strictly different. Only sinusoidal cesarean section should be done quickly end of delivery. NST fetal heart monitoring combined with amniotic fluid injection, umbilical cord puncture of the application, it is possible to make fetal distress cesarean section rate decreased from 2% to 1%.