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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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Blastocyst

#15, Slide 30 of 312

4 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. cavity within blastocyst
2. zona pellucida
All ages referenced to fertilization, not last menstrual period.
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