In the human life cycle how long are you a verterlized egg?

In the human life cycle, an individual is a fertilized egg, or zygote, for about 1 to 2 weeks. This stage begins at fertilization and lasts until implantation occurs in the uterus, after which the developing organism is referred to as an embryo. The embryonic stage lasts until the end of the eighth week of pregnancy, after which it is called a fetus.