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The Endowment for Human Development
The Endowment for Human Development
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The Developmental Period


7 weeks, 4 days

From The Biology of Prenatal Development.Buy Now
All ages referenced to fertilization, not last menstrual period.
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Fingers and Toes
Fingers and Toes
4D Ultrasound
4D Ultrasound
The Developmental Period
The Developmental Period
Ovaries Identifiable
Ovaries Identifiable
The Highly Complex Brain
The Highly Complex Brain
Right- and Left-Handedness
Right- and Left-Handedness
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