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The Endowment for Human Development
The Endowment for Human Development
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Open Wide, Say Ahhh

7 months, 3 weeks

From The Biology of Prenatal Development.Buy Now

Label Key:

1. tongue
2. philtrum
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
Yawning
Yawning
Here Comes the Tongue
Here Comes the Tongue
Open Wide, Say Ahhh
Open Wide, Say Ahhh
Quiet Please!
Quiet Please!
Fingers and Face
Fingers and Face
Hiding Behind a Hand
Hiding Behind a Hand


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