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

The Heart and Liver

5 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. right ventricle
2. umbilical cord
3. umbilical vein
4. left ventricle
5. liver
All ages referenced to fertilization, not last menstrual period.
Liver, Cord, and Left Foot Plate
Liver, Cord, and Left Foot Plate
Close-up of Heart and Liver
Close-up of Heart and Liver
The Heart and Liver
The Heart and Liver
Heart and Liver
Heart and Liver
Heart Chambers
Heart Chambers
The Vital Organs
The Vital Organs
Tell your story. Create your own pregnancy calendar.
When does health begin? Find out now.