Result :Torsion of cord can affect fetal,for example the rate of the fetal distress,FGR,fetal die,surgery rate on vagina,caesarean birth rate is higher than those which with norm.

• 目的探讨脐带扭转结合胎儿心电监护及脐动脉血流参数与妊娠结局的关系,寻找正确的处理方法,降低围产儿病率。