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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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Response to Touch


6 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Script: A touch to the mouth area causes the embryo to reflexively withdraw its head.

All ages referenced to fertilization, not last menstrual period.
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4D Ultrasound
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The Rapidly Growing Brain
Response to Touch
Response to Touch
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Blood Formation in Liver
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