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The Endowment for Human Development
The Endowment for Human Development
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Twins at Play

10 weeks

From The Biology of Prenatal Development.Buy Now

Label Key:

1. left arm, upper twin
2. head, lower twin
3. chest, lower twin
4. abdomen, upper twin
5. head, upper twin
All ages referenced to fertilization, not last menstrual period.
The Thinker
The Thinker
Holding up the Head
Holding up the Head
Twins at Play
Twins at Play
Right Index Finger on the Move
Right Index Finger on the Move
I am Pointing!
I am Pointing!
Kneeling in Victory
Kneeling in Victory
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