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脐带扭转
torsion of umbilical cord
- 各类脐带异常中，对围产儿预后影响最大的是脐带脱垂和脐带扭转。
Among all kinds of cords, the one which has the greatest effect on prognosis of perinatal infant is droop of cord and torsion. - 脐带异常中脐带真结节、扭转均属偶然因素，难以预防。
True knot and torsion of cord are cause by occasional factors and difficult to prevent.
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