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: Umbilical Cord, Placenta & More

The Coiled Umbilical Cord

#156, Slide 23 of 35

9 weeks

From The Biology of Prenatal Development.Buy Now

Note:

If you watch the movie carefully, you can see the umbilical cord pulsating with each beat of the fetal heart.

Label Key:

1. umbilical vein
2. umbilical arteries
All ages referenced to fertilization, not last menstrual period.
When does health begin? Find out now.
Free resources and training for educators