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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
4D Ultrasound
The Rapidly Growing Brain
The Rapidly Growing Brain
Response to Touch
Response to Touch
Blood Formation in Liver
Blood Formation in Liver
Physiologic Herniation
Physiologic Herniation
Nipple Formation
Nipple Formation
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