- marginal previa
- 边缘: border; edge; fringe; margin ...
- 性: nature; character; dispositi ...
- 前置: prepose; preposition; pre-
- 边缘性前置胎盘: marginal placenta praevia; marginal placenta previa
- 边缘性前置胎盘伴产时出血: marginal placenta previa with intrapartum hemorrhage
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