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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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The Heart

6 weeks, 6 days

The Heart [Click for next image]
From The Biology of Prenatal Development.Buy Now

Label Key:

1. right ventricle
2. liver
3. left ventricle
All ages referenced to fertilization, not last menstrual period.
Close-up, Seven-Week Heart
Close-up, Seven-Week Heart
The Four-Chambered Heart
The Four-Chambered Heart
The Heart
The Heart
The Heart and Chest
The Heart and Chest
The Hand, Chest, and Liver
The Hand, Chest, and Liver
The Circulation of the Hand
The Circulation of the Hand
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