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Usually blocked fallopian tubes cannot be treated and embryo transplantation is a method which can be used to help a woman become pregnant.
- Describe the stages involved in embryo transplantation.

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muhsinsafi2001

Answer:

Day 1: The blastocyst begins to hatch out of its shell.

Day 2: The blastocyst continues to hatch out of its shell and begins to attach itself to the uterus.

Day 3: The blastocyst attaches deeper into the uterine lining, beginning implantation

Explanation:

Stage. Days (approx) Events.

4. 5 - 6. attaching blastocyst

5. 7 - 12 (week 2) implantation.

6. 13 - 15. extraembryonic mesoderm, primitive streak, gastrulation

7. 15 - 17 (week 3) gastrulation, notochordal 

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