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ISPN考试复习一日一练(330)

  What is the approximate time that the blastocyst spends traveling to the uterus for implantation?

  A. 2 days

  B. 7 days

  C. 10 days

  D. 14 weeks

  blastocystn. 胚泡

  答案:B.

  The blastocyst takes approximately 1 week to travel to the uterus for implantation.

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