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

Slideshow: Clinical Highlights

The Heart

#384, Slide 50 of 58

6 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. right ventricle
2. liver
3. left ventricle
All ages referenced to fertilization, not last menstrual period.
When does health begin? Find out now.
Help give babies a healthy start and a healthy future. Donate now.