Moderate
Fertilized ovum usually gets attached to the uterus wall in ____________?
Correct answer: D. 1 week
- A. 14 days
- B. 28 days
- C. 8 weeks
- D. 1 week
Explanation
Implantation normally begins about 6 to 7 days after fertilization, when the blastocyst attaches to the endometrium. This is approximately one week, not 14 or 28 days.
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