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The Endowment for Human Development
The Endowment for Human Development
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Head Extended

3 months, 1 week

From The Biology of Prenatal Development.Buy Now

Label Key:

1. right ear
2. umbilical cord near placenta
3. back
4. right elbow
5. abdomen
6. right thigh
7. mouth
8. base of umbilical cord
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
Left Eye With Fused Eyelids
Left Eye With Fused Eyelids
Palmar Surface of Right Hand
Palmar Surface of Right Hand
Head Extended
Head Extended
Turning and Relaxing
Turning and Relaxing
The Turn is Complete
The Turn is Complete
The 3½-Month Fetus
The 3½-Month Fetus
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