Question

At the time of implantation the human embryo is called a

Answer 1

in humans, implantation is the stage of pregnancy at which the already fertilized egg adheres to the wall of the uterus. At this stage of prenatal development, the conceptus is called a blastocyst. It is by this adhesion that the fetus receives oxygen and nutrients from the mother to be able to grow.
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Answer 2

At this stage of prenatal development, the conceptus is called a blastocyst