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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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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.
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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
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