分娩后测量脐带附着点到胎盘边缘的距离，将结果分为正常附着、边缘性附着和帆状附着。
The distance from the placental edge to the insertion of the umbilical cord was measured after delivery, and the results were used to classify cord insertion as normal, marginal, or velamentous.
分娩后测量脐带附着点到胎盘边缘的距离，将结果分为正常附着、边缘性附着和帆状附着。
The distance from the placental edge to the insertion of the umbilical cord was measured after delivery, and the results were used to classify cord insertion as normal, marginal, or velamentous.
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