During the germinal stage, the fertilized egg is now called a(n) and travels toward the uterus, where it becomes implanted in the uterus's wall.

The answer to this question is the "Blastocyst" such as to complete the sentence we have it like during the germinal stage, the fertilized egg is currently called as a "Blastocyst" and the travels toward the uterus where it grows and becomes implanted in the uterus wall. The blastocyst is a mammalian blastula.