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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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Bone Formation


7 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Script: Bone formation, called ossification, begins within the clavicle, or collar bone, and the bones of the upper and lower jaw.

All ages referenced to fertilization, not last menstrual period.
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Hiccups & Startle Response
Hiccups & Startle Response
Joining Hands
Joining Hands
Bone Formation
Bone Formation
Eyes and Eyelids
Eyes and Eyelids
Fingers and Toes
Fingers and Toes
4D Ultrasound
4D Ultrasound
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