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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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Skin and Hair


5 months

From The Biology of Prenatal Development.Buy Now

Script: Haare beginnen auf der Kopfhaut zu wachsen.

Alle Hautschichten und -strukturen sind ausgebildet, einschließlich Haarfollikel und Drüsen.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Circadian Rhythms
Circadian Rhythms
Responds to Sound
Responds to Sound
Skin and Hair
Skin and Hair
Age of Viability
Age of Viability
4D Ultrasound
4D Ultrasound
Blink-Startle Response
Blink-Startle Response
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