Question

Which stage does implantation occur after fertilization?

Answer 1

Implantation. Once the embryo reaches the blastocyst stage, approximately five to six days after fertilization, it hatches out of its zona pellucida and begins the process of implantation in the uterus. In nature, 50 percent of all fertilized eggs are lost before a woman's missed menses.

Answer 2

After fertilization implantation is the first stage.

Until the fertilized zygote is not implanted it will not get nutrition and its cell will not divide.

And hence implantation is very important.

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