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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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Unique Fingerprints Appear


10 weeks

From The Biology of Prenatal Development.Buy Now

Note:

The fine motor control displayed just ten weeks after fertilization by this little one's right hand is impressive.

Script: Unique fingerprints appear 10 weeks after fertilization. These patterns can be used for identification throughout life.

All ages referenced to fertilization, not last menstrual period.
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Thumb Sucking
Thumb Sucking
Fingernails and Toenails
Fingernails and Toenails
Unique Fingerprints Appear
Unique Fingerprints Appear
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Ossification Underway
Ossification Underway
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