Stage of Human Development

Question 1

The most important period of all in the lifespan of a person; begins at conception and ends at birth (270-280 days/9 months in calendar)

Answer 1

Prenatal Stage (conception-birth)

Question 2

Three major phases of Prenatal Stage:

Answer 2

1. Germinal Stage (Zygote)
2. Embryonic Period (Embryo)
3. Fetal Period (8 weeks-birth)