Hematoma size was graded according to the percentage of the chorionic sac circumference elevated by the hematoma.

出血范围的大小，依据出血范围所占绒毛膜囊周边的比例评估。

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Hematoma size was graded according to the percentage of the chorionic sac circumference elevated by the hematoma.

出血范围的大小，依据出血范围所占绒毛膜囊周边的比例评估。

youdao