Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

The Embryonic Period


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: During the first 8 weeks following fertilization, the developing human is called an embryo, which means "growing within." This time, called the embryonic period, is characterized by the formation of most major body systems.

All ages referenced to fertilization, not last menstrual period.
See Snapshots   |   Log in to create a playlist
Reflexive Movement
Reflexive Movement
Epidermis and Hair
Epidermis and Hair
The Embryonic Period
The Embryonic Period
End of Embryonic Period
End of Embryonic Period
Kidneys Produce Urine
Kidneys Produce Urine
Eyelid Fusion
Eyelid Fusion
Free resources and training for educators
Tell your story. Create your own pregnancy calendar.


Add a Comment

Your Name: Log In 3rd-party login: Facebook     Google     Yahoo

Comment: