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

Human Development


7 days

From The Biology of Prenatal Development.Buy Now

Script: Biologisk sett, "begynner menneskelig utvikling ved befruktning", når en kvinne og en mann blander sammen hver av sine 23 kromosomer gjennom forening av sine forplantningsceller.

All ages referenced to fertilization, not last menstrual period.
See Snapshots   |   Log in to create a playlist
Amnion and Germ Layers
Amnion and Germ Layers
Early Embryonic Development
Early Embryonic Development
Human Development
Human Development
Heart and Circulatory System
Heart and Circulatory System
The Folding of the Embryo
The Folding of the Embryo
The Folding of the Embryo
The Folding of the Embryo
Help give babies a healthy start and a healthy future. Donate now.
Free resources and training for educators


Add a Comment

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

Comment: