皮皮学，免费搜题
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【单选题】
关子受精卵植入，下列叙述错误的是（）。
A.
始于受精后的第6～7天
B.
受精后第11～12天完成
C.
植入发生于囊胚阶段
D.
植入的部位常见于子宫侧壁
E.
植入后子宫内膜称蜕膜
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