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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: Dal punto di vista biologico, "lo sviluppo umano inizia dalla fecondazione", quando una donna e un uomo combinano 23 dei loro cromosomi attraverso l'unione delle loro cellule riproduttive.

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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