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The Endowment for Human Development
The Endowment for Human Development
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Fingernails and Toenails


10 weeks

From The Biology of Prenatal Development.Buy Now

Script: Fingernails and toenails begin to develop.

All ages referenced to fertilization, not last menstrual period.
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The Fetus Yawns
The Fetus Yawns
Thumb Sucking
Thumb Sucking
Fingernails and Toenails
Fingernails and Toenails
Unique Fingerprints Appear
Unique Fingerprints Appear
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Free resources and training for educators
Buy the Biology of Prenatal Development DVD