Question

at which stage does implantation of embryo take place in human being​

Answer 1

Once the embryo reaches the blastocyst stage, approximately five to six days afterfertilization, 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

Explanation:

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.

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