Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

Nails and Fingerprints


11 weeks

From The Biology of Prenatal Development.Buy Now

Script: Fingernails and toenails begin to develop.

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.
See Snapshots   |   Log in to create a playlist
4D Ultrasound
4D Ultrasound
Ossification Underway
Ossification Underway
Nails and Fingerprints
Nails and Fingerprints
Nose and Lips
Nose and Lips
4D Ultrasound
4D Ultrasound
Male and Female
Male and Female
Buy the Biology of Prenatal Development DVD
Help give babies a healthy start and a healthy future. Donate now.