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

Image Gallery

Hands Touching

7 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. forehead
2. left hand
3. placental vessels
4. umbilical vein
5. notches between emerging fingers (digital rays)
6. digital rays
7. right wrist
8. right hand
All ages referenced to fertilization, not last menstrual period.
7½-Week Embryo
7½-Week Embryo
Fingers and Notches
Fingers and Notches
Hands Touching
Hands Touching
Hand in Motion
Hand in Motion
The Umbilical Vein
The Umbilical Vein
Close-up of Umbilical Cord
Close-up of Umbilical Cord
Free resources and training for educators
Tell your story. Create your own pregnancy calendar.