After eight weeks, an embryo is called what?

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Multiple Choice

After eight weeks, an embryo is called what?

Eight weeks mark the end of the embryonic period and the beginning of the fetal period. By week nine, the developing organism is referred to as a fetus because the major organs are formed and growth continues, whereas the embryo describes the stage up to eight weeks. A zygote is the fertilized egg earlier in development, and an infant is someone after birth.

Eight weeks mark the end of the embryonic period and the beginning of the fetal period. By week nine, the developing organism is referred to as a fetus because the major organs are formed and growth continues, whereas the embryo describes the stage up to eight weeks. A zygote is the fertilized egg earlier in development, and an infant is someone after birth.

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