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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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Brainwaves


6 weeks

From The Biology of Prenatal Development.Buy Now

Script: Primitive brainwaves have been recorded as early as 6 weeks and 2 days.

All ages referenced to fertilization, not last menstrual period.
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The Liver and Heart
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Hand Plates and Cartilage
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Brainwaves
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Polygon-Shaped Hand Plates
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The Rapidly Growing Brain
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