The first two weeks of prenatal development,from fertilization to implantation,is called the _____ stage.

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The germinal stage is the first stage of prenatal development, lasting from fertilization to implantation, which occurs around the second week of development. During this stage, the fertilized egg, called a zygote, divides and forms a blastocyst. The blastocyst eventually implants into the lining of the uterus to begin the embryonic stage of development.

The First Two Weeks of Prenatal Development,from Fertilization to Implantation,is